Why in news : Recently, the Union Environment Minister launched the implementation Guidelines for National Coastal Mission 2.0 (NCM 2.0) in New Delhi.  

About :

India’s coasts are centres of economic activity, ecological diversity and human settlement. Yet coastal development often weakens the natural systems on which it depends. Ports can disrupt sediment movement, tourism can overwhelm local services, and wetland reclamation can increase flood vulnerability.

1. What is National Coastal Mission 2.0?

NCM 2.0 is a Central Sector Scheme under the Ministry of Environment, Forest and Climate Change, with an approved outlay of ₹767 crore and implementation extending to 2030–31. It covers nine coastal states and four Union Territories.

The mission seeks to strengthen coastal resilience through ecosystem restoration, pollution management, scientific planning, sustainable tourism and institutional coordination. It promotes cooperation between the Union government, coastal states, research institutions and other stakeholders.  

Its geographical importance lies in treating the coast as a connected region. Rivers, estuaries, beaches, nearshore waters and coastal settlements influence one another. Effective management must therefore extend beyond individual beaches or isolated conservation projects.

2. Objectives

The official implementation guidelines identify the following broad objectives:

• Strengthen climate resilience: Support adaptation and mitigation measures for coastal ecosystems and communities.
• Conserve fragile ecosystems: Protect mangroves, coral reefs, brackish-water wetlands and other coastal habitats.
• Improve spatial planning: Develop Integrated Coastal Zone Management Plans and Coastal Marine Spatial Plans.
• Support resilient livelihoods: Encourage diversified income opportunities for coastal communities.
• Control pollution: Prevent and reduce pollution in coastal and territorial marine waters.
• Build institutional capacity: Improve research, training, awareness and stakeholder participation.
• Promote a sustainable blue economy: Link productive use of coastal resources with ecological protection and inclusive development.

The crucial policy connection is that healthy ecosystems support productive economies, while sound planning prevents development from undermining that foundation.

3. What can India gain from the mission?

1. Lower disaster vulnerability
   • Coastal ecosystems can complement engineered protection. Mangroves attenuate waves under suitable conditions, dunes store sediment, and wetlands provide space for water.
   • For example, conservation in the Sundarbans and Odisha’s mangrove regions can strengthen natural buffers while supporting biodiversity. However, ecological protection must accompany shelters, warnings and evacuation arrangements.
   • The geographical principle is risk reduction through multiple measures: no single intervention can address storm surge, heavy rainfall, erosion and salinity simultaneously.
2. More effective erosion management
   • NCCR’s assessment for 1990–2018 identified approximately 33.6% of the assessed shoreline as eroding, 26.9% as accreting and 39.6% as stable. These figures describe historical shoreline behaviour, not annual erosion rates.  
   • NCM 2.0 can improve decisions by focusing on sediment budgets—the balance between material entering and leaving a coastal stretch.
   • For example, where harbour structures interrupt sand movement, further construction may aggravate erosion. Understanding sediment pathways helps identify whether nourishment, structural modification or development setbacks would be appropriate.
3. Stronger fisheries and coastal livelihoods
   • Mangroves, seagrass and estuaries support feeding, breeding and nursery habitats. Their restoration can strengthen the ecological foundations of fisheries.
   • Chilika Lagoon illustrates this relationship. Following hydrological restoration, including a new sea mouth opened in September 2000, recorded fish landings increased from approximately 4,889 tonnes in 2000–01 to 11,989 tonnes in 2001–02. These historical figures demonstrate the potential livelihood benefits of restoring ecological connections.  
   • Complementary investment in local processing, storage and safer landing facilities can help communities retain more value from existing catches.
4. Biodiversity protection with climate benefits
   • India’s mangrove cover was assessed at 4,991.68 square kilometres in ISFR 2023. Protecting these ecosystems can combine biodiversity conservation, carbon storage and coastal adaptation. 
   • The benefits are wider than carbon alone. Gulf of Mannar ecosystems, for example, demonstrate the importance of conserving interconnected marine habitats.
   • This supports the geographical idea of ecosystem services: natural systems generate benefits that conventional project accounts often overlook. Their destruction can therefore create substantial economic costs even when immediate commercial returns appear attractive.
5. Better coastal development and fewer conflicts
   • Ports, fishing routes, tourism, conservation and energy projects frequently compete for the same coastal space.
   • Marine Spatial Planning can identify compatible uses and reduce conflicts before investments become difficult to alter. UNESCO emphasises participatory, ecosystem-based planning for this purpose. 
   • For instance, a tourism plan should protect fishing access and sensitive habitats alongside visitor facilities. McHarg’s overlay method can combine hazard, habitat and land-use maps to identify suitable development locations.
6. More sustainable tourism
   • Tourism can generate employment, but visitor growth must remain compatible with local water, sanitation and waste-management capacity.
   • For Lakshadweep, limited land and freshwater make carrying capacity particularly important. A resort’s economic viability cannot be separated from its effects on island services and ecosystems.
   • NCM 2.0 can encourage tourism that retains local benefits while maintaining environmental quality. The relevant measure is not simply increasing arrivals, but improving income without degrading the destination.
7. More balanced regional development
   • Coastal investment often concentrates around established cities and ports. Myrdal’s cumulative causation explains how these centres attract further capital, while nearby communities may receive fewer benefits.
   • The mission can help address this imbalance through community enterprises, restoration employment and locally appropriate infrastructure.
   • For example, supporting fish processing and marketing can strengthen links between major markets and smaller coastal settlements. Development becomes more inclusive when local producers participate in value chains rather than merely supplying resources.

4. What are the major challenges and limitations?

A. Limited finance relative to coastal needs

• The ₹767 crore outlay must support several priorities across a geographically extensive coastline. It cannot independently resolve all erosion, pollution, habitat and infrastructure problems.
• Moreover, the guidelines include prior commitments and administrative functions within the overall budget. The entire allocation should therefore not be interpreted as fresh ecosystem-restoration expenditure.
• Its effectiveness will depend on whether it influences larger investments by other agencies.

B. Fragmented institutional responsibilities

• Forests, fisheries, ports, tourism, urban development and disaster management operate through different departments.
• A wetland may receive restoration funding while nearby infrastructure interrupts its tidal exchange. Such contradictions reflect a mismatch between ecological systems and administrative boundaries.
• Coordination must influence approvals, budgets and enforcement. Meetings alone cannot ensure integrated management.

C. Uniform solutions may ignore regional differences

• A measure appropriate for a muddy delta may fail on a sandy beach or coral island.
• The Sundarbans, Kerala and Lakshadweep differ in geomorphology, settlement density, freshwater availability and ecological processes. Uniform plantation targets or seawall designs would overlook these differences.
• Hartshorne’s areal differentiation therefore provides a central warning: national policy requires region-specific implementation.

D. Protection can transfer or create risk

• Hard structures may defend selected assets while altering sediment movement elsewhere. They can also encourage further construction behind them, increasing future exposure.
• Seawalls may prevent wetlands from migrating inland as sea level rises, producing coastal squeeze. IPCC assessments identify habitat loss and long-term dependence on protection among potential adaptation problems.  
• Protection should therefore be evaluated through its wider and long-term consequences.

E. Community participation may remain superficial

• Fishing communities depend on landing sites, access routes, net-drying spaces and customary resource use. These may be poorly recorded in official maps.
• Conservation or tourism projects can restrict such access without adequate livelihood alternatives. Political ecology highlights this distributional issue: who gains from development, and who absorbs its costs?
• Participation must shape decisions before project designs become fixed.

F. Climate uncertainty and weak monitoring

• Future risks depend on sea-level rise, subsidence, storms and development patterns. Historical averages alone may underestimate emerging vulnerability.
• Project evaluation presents another difficulty: counting plantations, workshops or completed structures is easier than measuring ecological recovery.
• Without reliable baselines and repeated monitoring, apparent success may reflect favourable seasonal conditions rather than effective intervention.

5. Which government initiatives provide an existing foundation?

NCM 2.0 can build on several established measures:

These initiatives offer complementary functions: regulation, restoration, planning, beach management and preparedness. NCM 2.0 should connect their implementation rather than reproduce separate administrative structures.  

6. What should be the way forward?

• First, plan through functional coastal regions. Use catchments, estuaries and sediment cells alongside administrative boundaries. NCSCM’s identification of ten primary sediment cells on the west coast and sixteen on the east coast provides a scientific foundation for this approach.  
• Second, prioritise ecological suitability. Diagnose degradation before selecting interventions. Restore tidal exchange where blocked channels are the problem; conserve dunes where sand storage matters; use engineering where evidence supports it. Plantation should follow habitat suitability, not numerical targets alone.
• Third, assess cumulative impacts. Examine the combined effects of ports, roads, tourism and urban expansion. Individually acceptable projects may collectively exceed an estuary’s pollution tolerance or disrupt an entire sediment system.
• Fourth, institutionalise community participation. Map customary uses and include fishers, women vendors and local bodies in planning and monitoring. Ostrom’s common-pool resource principles support locally appropriate rules, recognised users and accessible dispute resolution.
• Fifth, finance maintenance and outcomes. Allocate resources for long-term monitoring and operation. Evaluate water quality, habitat condition, livelihood access and reduced vulnerability rather than expenditure alone. Transparent criteria should also prevent administrative capacity from outweighing genuine need.
• Sixth, adopt flexible adaptation pathways. Combine ecosystem protection, warning systems, drainage and selective engineering. Where risks become unacceptable, assess planned retreat with secure tenure, livelihood continuity and meaningful participation. Periodic review should allow plans to change as evidence improves.

Conclusion

NCM 2.0 can strengthen India’s coastal economy by protecting its ecological foundations. Its success will depend on scientific regional planning, institutional coordination and fair participation. Geography provides the integrating perspective: systems thinking connects land and sea, areal differentiation guides local solutions, and environmental justice ensures that resilience includes coastal communities. The mission should ultimately be judged by healthier ecosystems, safer settlements and more secure livelihoods.

Source: https://moef.gov.in/storage/tender/1790775612.pdf

https://www.pib.gov.in/PressReleasePage.aspx?PRID=2317286&reg=48&lang=1

Where to use ? 

Paper I ( Geography Optional ): Oceanography 

Why in news : The Maharashtra Government has declared drought conditions in 265 out of 358 talukas, covering nearly 74% of the state’s landmass, due to deficient monsoon rainfall. Similar drought-like conditions and water stress are being reported in Karnataka, Telangana, Andhra Pradesh and parts of Rajasthan, highlighting India’s growing vulnerability to water scarcity and drought.   

About : 

Drought is a prolonged shortage of water relative to a region’s normal conditions and requirements. Unlike aridity, a persistent climatic characteristic, drought is an abnormal condition that can affect even comparatively wet regions.

Its major forms are:

• Meteorological drought: Rainfall falls substantially below normal.
• Agricultural drought: Soil moisture becomes insufficient for crop requirements.
• Hydrological drought: Rivers, reservoirs and groundwater experience inadequate availability.
• Socio-economic drought: Water shortages disrupt production, livelihoods and essential services.

These forms are connected but need not develop simultaneously. Irrigation may temporarily protect crops while groundwater reserves decline. IMD distinguishes these different expressions of drought.

1. Why is India vulnerable?

• Monsoon variability—India’s 2002 drought: IMD identifies exceptionally deficient rainfall in July 2002 as central to that year’s drought. This illustrates how a major rainfall failure during the principal growing season can disrupt sowing and crop development. The timing of rainfall matters alongside the seasonal total.
• Regional geography—Ahmednagar and Anantapur: Ahmednagar, Maharashtra, lies in the Western Ghats’ rain shadow, limiting its rainfall supply. In Anantapur, Andhra Pradesh, ICAR documents predominantly shallow red soils with low-to-medium available water capacity. Consequently, limited rainfall combines with restricted soil-moisture storage, making crops vulnerable to dry spells. Drought vulnerability reflects the interaction of climate, relief and soils.
• Crop–water mismatch—sugarcane in Maharashtra: NABARD’s water-productivity study identifies sugarcane as a water-intensive crop, typically requiring approximately 1,500–2,000 mm of water annually, with substantial regional variation. Cultivating it in Maharashtra’s water-stressed districts creates sustained irrigation demand where rainfall is unreliable. Sugarcane does not cause meteorological drought, but inappropriate cropping patterns can intensify water scarcity.
• Groundwater overuse—northwestern India: A GRACE satellite-based study estimated approximately 109 km³ of groundwater depletion between August 2002 and October 2008 across Rajasthan, Punjab and Haryana, including Delhi. NASA reported that rainfall was slightly above normal during the study period. Water reserves can therefore decline even without deficient rainfall when extraction exceeds replenishment.
• Land degradation and urbanisation—Bengaluru’s lake catchments: IISc’s assessment of Bellandur and Varthur lakes documents how urbanisation, catchment encroachment and pollution undermine wetland functioning. The loss of healthy, interconnected water bodies weakens local storage and recharge opportunities. Urban water stress can therefore reflect damaged catchments as well as inadequate rainfall.
• Heat—India’s compound hot and dry extremes: Research available through IIT Gandhinagar identifies 1987 and 2015 as major examples of compound hot and dry extremes affecting agriculture and water availability. Heat raises atmospheric evaporative demand, worsening moisture stress when water supplies are already inadequate. Drought assessment should therefore monitor temperature and soil moisture alongside rainfall.

2. What are the consequences?

• Agricultural losses—groundnut in Anantapur: A 2015–16 field experiment at Ananthapuramu found that imposed moisture stress during pod filling to maturity caused the greatest groundnut yield reduction among the stages tested. Reductions ranged from approximately 39% to 54% across the tested varieties. These are experimental results, not district-wide losses. They demonstrate why dry spells during sensitive growth stages can cause disproportionate damage.
• Economic disruption—Parli Thermal Power Station: WRI found that Maharashtra’s Parli Thermal Power Station stopped generating electricity entirely for 226 days between July 2015 and December 2016 because of water shortages. This shows how water stress extends beyond agriculture into electricity generation and industrial activity. The example illustrates the water–energy–economy nexus.
• Social inequality—women and children in drought-affected regions: Field accounts from Marathwada during the 2016 drought documented women’s difficulties in obtaining water alongside agricultural and financial stress. UNICEF’s India case study also identifies water collection and livestock care as contributors to school absenteeism in drought-prone areas. Drought imposes unpaid labour and educational costs that crop-loss statistics do not capture.
• Ecological damage—Keoladeo National Park, Rajasthan: A UNESCO–IUCN assessment in 2008 recorded little or no breeding of storks and herons in 2004, 2006 and 2007, reflecting adverse water conditions. Water scarcity arose through the interaction of rainfall conditions and the park’s dependence on managed external supplies. Drought can disrupt wetland food webs and breeding habitats, while water-allocation decisions influence its severity

4. What initiatives has government undertaken?

India has developed several complementary instruments:

• Drought-management frameworks: The National Disaster Management Plan emphasises vulnerability mapping and assessment of rainfall, surface water and groundwater conditions.  
• PMKSY and watershed development: These support irrigation access, water conservation and treatment of degraded catchments. WDC-PMKSY 2.0 incorporated GIS-based planning and convergence.  
• Atal Bhujal Yojana: Its pilot covered 8,203 water-stressed gram panchayats across seven states, promoting community-led groundwater management and demand reduction.  
• Catch the Rain initiatives: These encourage rainwater conservation and community participation; the expanded Jal Sanchay Jan Bhagidari: Catch the Rain initiative launched in June 2026.  
• PMFBY: Crop insurance covers drought and dry-spell risks for eligible insured crops and notified areas, subject to scheme provisions.  

5. Why do limitations persist?

• Management can remain reactive, concentrating on tankers, compensation and emergency supplies after losses accumulate. These measures are necessary but cannot rebuild depleted aquifers.
• Departmental fragmentation separates agriculture, irrigation, groundwater and rural development decisions. A conservation programme may consequently coexist with incentives encouraging greater extraction.
• Infrastructure also requires maintenance. Silted tanks and poorly located recharge structures may deliver limited benefits. Additional storage does not automatically produce sustainable consumption.
• Finally, irrigation efficiency can create a rebound effect: farmers may expand irrigated acreage, offsetting water saved per hectare. Technology must therefore accompany limits on overall demand.

6. What should be the way forward?

• Anticipate drought: Combine rainfall forecasts with soil moisture, reservoir storage, groundwater levels and vegetation indicators. Early warnings should trigger contingency sowing advice and drinking-water preparations.
• Plan from ridge to valley: Use contour bunds, vegetative cover, suitable check dams and restored tanks to slow runoff and conserve moisture. Design must reflect local slopes, soils and aquifers.
• Align crops with water budgets: Support locally suitable millets, pulses and less water-intensive alternatives through procurement, processing and markets. Advice alone cannot overcome unfavourable farm economics.
• Manage aquifers collectively: Village water budgets should relate withdrawals to dependable supply. Ostrom’s common-pool resource principles support community monitoring and equitable rules.
• Protect people and essential supplies: Prioritise drinking water, fodder, livelihood support and timely insurance settlement. Urban leakage reduction and appropriate treated-water reuse can reduce freshwater pressure.

Conclusion

India cannot eliminate rainfall variability, but it can reduce drought losses. The central shift must be from managing shortages after they occur to maintaining water security before they develop. Region-specific planning, sustainable extraction and social protection together offer the strongest foundation for drought resilience.

Source : https://www.thehindu.com/news/national/maharashtra/maharashtra-declares-drought-in-265-talukas-covering-74-of-state/article71511967.ece

Where to use ? 

Paper II ( Geography Optional ) : Drought Management 

Why in news: At the 81st session of the United Nations General Assembly (UNGA), India welcomed the adoption of the landmark UN Declaration on Sea-Level Rise, reiterating its commitment to climate equity, maritime stability, and developmental assistance for vulnerable nations.

About:

India welcomed the UN Declaration on Sea-Level Rise. This distinction matters: it represents a political commitment to collective action, rather than a new binding climate treaty.  

For India, rising seas connect domestic coastal vulnerability with international questions of sovereignty, development and justice. The challenge extends beyond inundation: it threatens freshwater, livelihoods, infrastructure and the continued habitability of low-lying islands.

1. What does the declaration seek to achieve?

The declaration brings together three priorities:

• Strengthening resilience: Using science, adaptation, finance and cooperation to protect vulnerable communities.
• Protecting people: Addressing threats to livelihoods, culture and populations affected by rising seas.
• Maintaining legal stability: Affirming the stability of maritime zones established under UNCLOS and the continuity of statehood and UN membership.

For Tuvalu, Kiribati and the Maldives, these questions concern national survival. Losing habitable land should not automatically mean losing international identity or established maritime entitlements.

2. Why is sea-level rise an urgent geographical concern?

• The rate is accelerating. WMO records show that global mean sea-level rise increased from 2.1 mm annually during 1993–2002 to 4.7 mm during 2015–2024. The main drivers are ocean thermal expansion and melting land ice. 
• Local impacts vary. Relative sea level depends on ocean change and vertical land movement. Subsiding deltas can experience greater effective exposure than stable coasts. Rainfall, tides and storm surges can combine to produce compound flooding.
• Thus, a global average cannot directly predict conditions at every Indian coastal settlement. Planning requires local elevation, subsidence, drainage and population data.

3. Why does the declaration matter for India?

1. Coastal settlements and infrastructure
   • India’s revised coastline measures approximately 11,098.81 km, reflecting improved mapping resolution. Its coastal cities, ports and transport networks create substantial exposure.  
   • A September 2026 UN account highlights Mumbai and Kolkata among cities facing growing risks from sea-level rise combined with subsidence. Higher sea levels can obstruct drainage and worsen coastal flooding. Protecting infrastructure therefore requires integrating marine and urban-water processes.  
2. Food and freshwater security
   • Saltwater intrusion can affect coastal aquifers and agricultural soils. Lakshadweep’s small islands illustrate the vulnerability of limited freshwater reserves, while the Sundarbans demonstrate the close relationship between salinity, agriculture and livelihoods.
   • These are connected risks: deteriorating water quality can increase household expenditure, reduce agricultural options and encourage migration. Sea-level rise is consequently a development concern as well as an environmental hazard.
3. Biodiversity and ecosystem services
   • Mangroves, tidal wetlands and other coastal habitats support fisheries, carbon storage and natural protection. Where development blocks their inland migration, rising water can cause coastal squeeze.
   • India’s 4,991.68 km² of mangrove cover, recorded in ISFR 2023, represents an important ecological asset. Conservation must protect tidal connections and suitable migration space, rather than rely only on plantation targets.  
4. Climate equity
   • India’s statement reaffirmed equity and common but differentiated responsibilities and respective capabilities—CBDR-RC, linking responsibility to historical emissions.
   • The analytical argument is clear: countries differ in their contribution to warming, resources and capacity to adapt. Vulnerable island states should not bear disproportionate costs through additional debt. Climate assistance should reflect both vulnerability and responsibility.  
5. Maritime stability
   • India emphasised UNCLOS, stable maritime zones and continuity of statehood. These principles help prevent physical coastline changes from creating uncertainty over established rights.
   • For island economies such as Kiribati, maritime entitlements support fisheries and resource management. Legal continuity therefore has economic significance: it protects future revenue and reduces opportunities for disputes over ocean space. 

4. What practical contributions can India make?

• Domestic coastal management: NCM 2.0, with an approved ₹767 crore outlay through 2030–31, supports vulnerability assessment, restoration, pollution control and spatial planning. It can help translate international commitments into regional action.  
• Mangrove restoration: MISHTI supports mangrove conservation and restoration through convergence. Its relevance lies in combining habitat protection with coastal livelihoods and adaptation. 
• Resilient island infrastructure: CDRI’s Infrastructure for Resilient Island States—IRIS provides technical assistance, capacity building and financing support. Its 2025 working paper reported support for 24 projects across 25 small island developing states.
• Development partnerships: India supported a UNDP Pacific solarisation project, completed in February 2025. Such cooperation can reduce fossil-fuel dependence, although renewable-energy assistance must complement direct coastal adaptation.  

5. What are the challenges and limitations?

• Finance remains inadequate. At the September meeting, the UNGA President cited developing-country adaptation needs of $310–365 billion annually by 2035, compared with $26 billion in international public adaptation finance in 2023. These figures concern adaptation overall, not sea-level rise alone. 
• Political recognition requires implementation. A declaration does not automatically provide funding, enforceable compensation or protection for every displaced person.
• Engineering has limits. Seawalls may protect assets while narrowing beaches or obstructing wetland migration. Relocation can improve physical safety but undermine fishing access and cultural ties.
• Responsibility is fragmented. Ports, housing, fisheries and environmental agencies may approve conflicting uses of the same coastal space.

6. What should be the way forward?

• India should pursue locally differentiated adaptation: protect critical assets, accommodate manageable flooding and consider planned retreat where necessary. The second illustration shows these options.
• Coastal plans should combine scientific risk mapping with community knowledge. Fishers, women workers and informal settlements must participate before decisions become fixed.
• Internationally, India should support accessible adaptation grants, resilient infrastructure partnerships and implementation of maritime-stability principles. Domestically, restoration and new construction should be evaluated against long-term sea-level scenarios.

Conclusion

India’s response must connect climate diplomacy with coastal governance. Geography supplies the essential perspective: physical processes create uneven risks, development choices shape exposure, and inequality determines recovery. The declaration’s value will ultimately depend on whether it helps preserve habitable coasts, secure livelihoods and the rights of vulnerable nations.

Source :

https://news.un.org/en/story/2026/09/1168423

https://www.downtoearth.org.in/climate-change/un-adopts-first-declaration-on-sea-level-rise-backs-continued-statehood-of-island-nations

Where to use : 

Paper I ( Geography Optional) :  Sea level rise 

Time–Space Convergence: Time–space convergence means that places seem closer because improvements in transport and communication reduce the time needed to connect them. Physical distance remains unchanged, but travel time decreases. For example, a faster railway allows people to reach a distant city within a few hours instead of an entire day. This expands markets, commuting and social connections. However, benefits are uneven: well-connected cities gain more, while remote regions may remain relatively isolated. 

Morphoclimatic Regions: Morphoclimatic regions are areas where similar climatic conditions produce similar dominant processes of landform development. Temperature and rainfall influence weathering, erosion and the movement of broken rock material. For example, humid tropical regions favour chemical weathering, while cold periglacial regions experience strong frost action. These processes give landscapes characteristic features. However, climate alone does not determine landforms; rock type, geological structure and past climates also matter. Thus, present landscapes may preserve features formed under earlier conditions. 

Edge Effect: Edge effect refers to changes in environmental conditions and living communities at the boundary between two habitats, such as a forest and grassland. This transition zone is called an ecotone. It may contain species from both habitats and some specially adapted species, increasing local diversity. However, edges created by forest clearing can bring greater heat, wind, predators and invasive species. Therefore, more edges may harm forest-interior wildlife even when local species numbers increase.

Defaunation: Defaunation means the decline or disappearance of wild animals from an area, including reductions in their population sizes. Hunting, habitat destruction, pollution and invasive species are major causes. For example, a forest may retain its trees but lose large mammals and birds through hunting, creating an “empty forest.” Animal loss disrupts seed dispersal, pollination and food chains. Consequently, protecting tree cover alone is insufficient; conservation must also maintain animal populations and their ecological roles.

Build Back Better: Build Back Better means using recovery after a disaster to make communities safer, stronger and more resilient. Reconstruction should reduce the weaknesses that caused earlier damage. For example, after a flood, houses can be rebuilt on raised platforms, drainage improved and essential services located outside high-risk zones. The approach also includes restoring livelihoods, protecting ecosystems and involving local people. It is a key principle of the Sendai Framework, linking disaster recovery with long-term risk reduction. 

The Port of Rotterdam in the Netherlands demonstrates how a port can stimulate industrial development, employment and regional integration. Located at the North Sea gateway to the Rhine–Meuse delta, it connects international shipping with the industrial hinterland of northwestern Europe.

Its significance lies in the industries and economic linkages built around cargo movement. Rotterdam functions as an integrated port–industrial complex, making it a strong geographical example of a growth pole.

1. The theoretical argument

• According to François Perroux’s growth-pole theory, development concentrates around dynamic industries whose expansion stimulates other activities through economic linkages.
• In Rotterdam, refining, petrochemicals and logistics act as propulsive activities. The port provides transport infrastructure, imported inputs and access to markets. Their interaction attracts suppliers, specialised services and further investment.
• Strictly, Perroux’s growth pole refers to linked economic activities; Rotterdam gives this process a spatial expression as a growth centre.

2. Key evidence

Sources: Port of Rotterdam’s 2025 results, industrial overview and annual report. Employment and value-added figures are economic-impact estimates cited in the report, rather than cargo statistics. TEU means twenty-foot equivalent unit.  

3. How does Rotterdam generate regional growth?

1. Forward linkages—imported materials stimulate manufacturing
   • Rotterdam’s refineries process imported crude oil and supply feedstocks to chemical industries. Chemical firms, in turn, supply intermediate products used in manufacturing.
   • Example: Refinery output supports chemical production, which supplies materials for packaging, clothing and vehicle components.
   • The port therefore supports value addition through connected production chains, rather than simply transferring imported cargo inland. The port authority explicitly documents these exchanges between refineries and chemical companies.  
2. Backward linkages—industries create demand for suppliers
   • Refineries, terminals and chemical plants require maintenance, equipment, construction, storage and transport services. Their operation generates business opportunities for supporting firms.
   • Rotterdam’s approximately 182,000 direct and indirect jobs provide evidence of this wider economic footprint. However, the combined figure should not be interpreted as employment entirely within port terminals. 
   • This illustrates Hirschman’s backward linkages: expanding leading activities stimulates demand in supplying sectors.
3. Agglomeration economies—proximity improves efficiency
   • Rotterdam’s industrial firms share access to tank storage, industrial gases, heat, steam, wastewater treatment and electricity. These connections reduce duplication and facilitate exchanges of materials and energy. 
   • For example, a chemical company benefits from locating near its feedstock supplier and specialist storage facilities. This makes the established cluster attractive to related businesses.
   • The mechanism is agglomeration economies: firms gain advantages from locating close to complementary activities.
4. Hinterland connections spread benefits beyond the port
   • Rotterdam’s influence extends through the Rhine waterway, railways, roads and pipelines. The Rhine and Betuweroute rail connection link the maritime gateway with Germany’s industrial hinterland.  
   • The Rhine–Ruhr region receives imported energy and industrial materials through these networks. Inland logistics centres and manufacturers participate in the resulting supply chains.
   • This represents a potential spread effect: transport corridors transmit the benefits of a coastal growth centre to inland regions. The relationship is reciprocal—industrial demand in the hinterland also sustains Rotterdam.
5. Planned infrastructure reinforces cumulative growth
   • The Maasvlakte 2 expansion, completed in 2013, extended Rotterdam’s port area by approximately 2,000 hectares, creating additional space for container and industrial activities.  
   • Infrastructure expansion enables investment; additional firms generate cargo and service demand; that demand strengthens the case for further infrastructure.
   • This illustrates Myrdal’s cumulative causation, although favourable outcomes depend on continuing demand and investment.

1. Jawahar Dweep Marine Oil Terminal 

Why in news : Mumbai Port Authority declared the Jawahar Dweep Marine Oil Terminal plastic-free during Swachhata Abhiyan 2026, making it India’s first plastic-free oil terminal.  

About:

• Situated on Jawahar Dweep, also called Butcher Island, in Mumbai Harbour, off the eastern waterfront of Mumbai.
• It lies within a sheltered natural harbour opening into the Arabian Sea. Mumbai Island and the Konkan mainland provide protection to the harbour.
• Operated by the Mumbai Port Authority, the terminal handles crude oil and petroleum products, forming an important link between maritime petroleum transport and Mumbai’s refining and distribution network.

2. Buxa Tiger Reserve 

Why in news : In a major milestone for species conservation, a tigress (T138) translocated from Valmiki Tiger Reserve (Bihar) was released into Buxa Tiger Reserve (West Bengal) to inaugurate India's Wildlife Week 2026 and initiate a phased tiger recovery programme.   

About:

• Located in Alipurduar district, northern West Bengal, along the Bhutan border, with Assam towards the east.
• Covers the transition from the Dooars foothill plains to the southern Himalayan hills. Elevation rises to about 1,750 metres, producing considerable habitat variation.
• Humid monsoonal conditions support moist tropical forests, including evergreen, semi-evergreen and moist deciduous vegetation.
• Supports elephants, leopards, gaur and diverse birdlife. Its forests form part of a larger landscape connected with Bhutan, Assam and Jaldapara.
• An important transboundary wildlife corridor. Conservation depends on maintaining connectivity across forests, tea-growing areas, settlements and transport routes.

3. Niyamgiri Hills 

Why in news: Recent calls to revive bauxite mining in Odisha’s Niyamgiri Hills have renewed concerns among tribal groups and environmental activists over indigenous rights and ecological protection.   

About:

• A hill range of the Eastern Ghats, extending across Rayagada and Kalahandi districts of southwestern Odisha.
• Characterised by forested hills, steep slopes, deep valleys and numerous streams. Some hilltops contain lateritic, bauxite-bearing deposits.
• The hills form part of the catchments of the Vamsadhara and Nagavali river systems. Their weathered upland materials help retain rainfall and sustain springs and downstream flows.  
• Home to the Dongria Kondh, a Particularly Vulnerable Tribal Group, whose livelihoods and cultural identity are closely connected with the hill forests. 
• Represents the interaction between mineral resources, watershed protection and indigenous cultural landscapes. Changes on the hilltops can affect water availability and livelihoods farther downstream.

4. Gandak river 

Why in news : Recently, heavy rainfall in Nepal’s catchment areas caused the Gandak River to swell and breach embankments in parts of Bihar, particularly West Champaran. 

About:

• A perennial Himalayan river and a major left-bank tributary of the Ganga. Its river system is known as the Gandaki, and its main downstream channel in Nepal as the Narayani.
• Drains a large Himalayan catchment in Nepal and enters the Indian plains near Valmikinagar in West Champaran. It forms part of the Bihar–Uttar Pradesh boundary before flowing through Bihar.
• Joins the Ganga near Sonpur–Hajipur, opposite the Patna region.  
• Receives both monsoon rainfall and snow/glacier melt. Its transition from steep mountains to low-gradient alluvial plains encourages sediment deposition and channel instability.
• Supports irrigation and fertile agricultural plains, but creates recurring flood and bank-erosion risks. It demonstrates upstream–downstream interdependence, making Nepal–India coordination important for flood forecasting.

5. Bhedaghat–Lamhetaghat 

Why in news : India's first world-class geological museum is set to be developed at the Bhedaghat–Lamhetaghat area in Jabalpur, Madhya Pradesh, to showcase the geological history of the Narmada Valley.  

About:

• Situated along the Narmada River near Jabalpur in central Madhya Pradesh; Bhedaghat lies approximately 25 kilometres from Jabalpur.
• Bhedaghat is famous for the Marble Rocks gorge and Dhuandhar Falls, where the Narmada plunges before flowing through a narrow rocky channel.
• The marble represents metamorphosed carbonate rocks. The wider landscape belongs to the tectonically influenced Narmada rift valley.
• Lameta beds are associated with dinosaur fossils and provide evidence of ancient environments.
• An important location for studying fluvial erosion, metamorphism, tectonics and palaeontology, with considerable geotourism value. Bhedaghat–Lametaghat was added to India’s UNESCO World Heritage Tentative List in 2021.

Q1. Consider the following statements regarding Kaliningrad:

1. Kaliningrad shares land borders with Poland and Belarus.

2. Baltiysk, located in the Kaliningrad region, serves as a major base of Russia’s Baltic Fleet.

Which of the statements given above is/are correct?

1. 1 only
2. 2 only
3. Both 1 and 2
4. Neither 1 nor 2 

Q2. Consider the following statements regarding the National Coastal Mission 2.0:

1. It is a Central Sector Scheme under the Ministry of Environment, Forest and Climate Change.

2. Its geographical coverage is restricted to mainland coastal States and excludes island Union Territories.

3. It promotes coastal resilience through vulnerability assessments, ecosystem restoration, pollution management and sustainable tourism.

Which of the statements given above is/are correct?

1. 1 and 3 only
2. 2 only
   
3. 2 and 3 only
   
4. 1, 2 and 3

Q3. Consider the following statements regarding Jawahar Dweep Marine Oil Terminal:

1. It is located on Butcher Island in Mumbai Harbour and operates under the Mumbai Port Authority.

2. It primarily handles containerised cargo rather than crude oil and petroleum products.

Which of the statements given above is/are correct?

1. 1 only
2. 2 only
   
3. Both 1 and 2
   
4. Neither 1 nor 2

Q4. Consider the following statements regarding Buxa Tiger Reserve:

1. It is situated in the Himalayan foothills of northern West Bengal, along the international boundary with Bhutan.

2. Its forests provide ecological connectivity with Jaldapara National Park and the forests of Assam, facilitating wildlife movement.

Which of the statements given above is/are correct?

1. 1 only
2. 2 only
   
3. Both 1 and 2
   
4. Neither 1 nor 2

Q5. Consider the following statements regarding the Green Energy Corridor (GEC):

1. It develops transmission lines and substations to facilitate the integration of renewable energy into the electricity grid.

2. The Intra-State Green Energy Corridor Phase-II is implemented by State Transmission Utilities with Central Financial Assistance from the Ministry of New and Renewable Energy.

Which of the statements given above is/are correct?

1. 1 only
2. 2 only
3. Both 1 and 2
4. Neither 1 nor 2

Q6. Consider the following statements regarding drought in India:

1. Agricultural drought can occur even when total seasonal rainfall is near normal, if prolonged dry spells coincide with critical stages of crop growth.

2. Hydrological drought always ends immediately after the first spell of normal rainfall.

3. High temperatures can intensify drought by increasing evaporation and the atmospheric demand for moisture.

Which of the statements given above is/are correct?

1. 1 only
   
2. 1 and 3 only
   
3. 2 and 3 only
   
4. 1, 2 and 3

Q7. Consider the following statements regarding the International Whaling Commission (IWC):

1. The IWC adopted a moratorium on commercial whaling in 1982, which came into full effect in 1986.

2. The moratorium also prohibits all aboriginal subsistence whaling, irrespective of indigenous communities’ nutritional and cultural needs.

Which of the statements given above is/are correct?

1. 1 only
   
2. 2 only
   
3. Both 1 and 2
   
4. Neither 1 nor 2

Q8. Consider the following statements regarding the UN Declaration on Sea-Level Rise:

1. It affirms the stability of maritime zones established in accordance with the United Nations Convention on the Law of the Sea (UNCLOS).

2. It provides for the automatic termination of a State’s UN membership if its territory becomes uninhabitable due to sea-level rise.

3. It addresses the protection of persons affected by sea-level rise, alongside the continuity of statehood.

Which of the statements given above is/are correct?

1. 2 and 3 only
   
2. 2 only
   
3. 1 and 3 only
   
4. 1, 2 and 3

Q9. Consider the following statements regarding India’s first port-based e-Methanol facility:

1. It is being developed at Deendayal Port in Kandla, Gujarat, through a partnership with Assam Petro-Chemicals Limited.

2. The facility will produce e-Methanol primarily through coal gasification, without using green hydrogen.

Which of the statements given above is/are correct?

1. 1 only
   
2. 2 only
   
3. Both 1 and 2
   
4. Neither 1 nor 2

Q10. Consider the following statements regarding river interlinking projects in India:

I. The availability of surplus water in a river basin depends on rainfall variability, existing water use and future requirements.

II. River-linking projects require assessments of their effects on river ecology, environmental flows and communities dependent on rivers.

III. The river interlinking programme is pursued through consultation and consensus-building among the concerned States.

Which of the following inferences can be drawn from the above statements?

1. A basin classified as water-surplus can supply a fixed quantity of water indefinitely, irrespective of changes in rainfall and demand.

2. Technical feasibility alone is insufficient to establish the overall suitability of a river-linking project.

3. Successful river interlinking requires both ecological assessment and cooperative federalism.

Select the answer using the code given below:

1. 1 and 2 only
   
2. 2 and 3 only
   
3. 1 and 3 only
   
4. 1, 2 and 3