Climate change has moved from a distant scientific warning to a present-day reality that shapes harvests, monsoons, coastlines, and city life. At its core, the problem is driven by the steady build-up of greenhouse gases in the atmosphere, which trap heat and warm the planet. For a country with a long coastline, a vast farming population, and fragile Himalayan glaciers, the stakes are unusually high. Yet the response to climate change is not only about scientific data. It is also about international diplomacy, national policy, and the choices made in towns, fields, and homes. Understanding how global solutions and local actions fit together is the key to making sense of this challenge.

Table of Contents

What is driving climate change

Climate change refers to long-term shifts in temperature and weather patterns caused largely by human activity. The main driver is the rising concentration of greenhouse gases such as carbon dioxide, methane, and nitrous oxide. These gases are released when we burn coal, oil, and gas for electricity, transport, and industry. They are also released through deforestation, intensive agriculture, and waste.

The ocean has absorbed more than 90% of the excess heat generated by these emissions. This is one reason the effects of warming will continue for decades even if emissions stop today. The oceans and ice sheets respond slowly, so the warming already locked in will keep reshaping the climate for a long time.

It is worth noting the question of responsibility. India is among the world’s largest emitters in absolute terms, but its per capita emissions remain far lower than those of developed nations, and its historical share of accumulated carbon in the atmosphere has been relatively small. This gap between historical responsibility and current pressure to act is at the heart of nearly every climate negotiation.

The projected impacts

The consequences of unchecked warming are not uniform. They vary by region, by season, and by how vulnerable a community already is. The projections below show why scientists treat this as an urgent issue rather than a slow background trend.

Rising temperatures

The average temperature across the country has already risen by nearly 0.9ยฐC in the last decade compared with the early twentieth century, with the hottest day of the year warming even faster in western and northeastern regions. Higher temperatures intensify heatwaves, increase electricity demand for cooling, reduce labour productivity in outdoor work, and place direct stress on human health. Regional climate models project that average surface temperatures could rise by several degrees by the end of the century, with warming more pronounced in the north.

Extreme weather events

Warming does not only mean hotter days. It changes the behaviour of the entire climate system. Scientists expect more intense rainfall events, longer dry spells, stronger cyclones in the Arabian Sea, and accelerated melting of Himalayan glaciers. These glaciers feed major rivers, so their retreat threatens water security for hundreds of millions of people downstream. Agriculture is especially exposed, since farming depends on predictable monsoons and steady water supplies. When rainfall becomes erratic, crop yields and rural livelihoods suffer.

Sea level rise

Global mean sea level has risen by roughly 210 to 240 millimetres since 1880, and about a third of that rise has come in just the last two and a half decades. The current rate is close to three millimetres per year and is accelerating. With a coastline of almost 7,500 kilometres, the country is highly exposed. Studies project that sea levels could rise by up to one metre by 2100 under high-emission scenarios, with coastal cities such as Mumbai and Kolkata facing the greatest flood risk. Rising seas also push saltwater into freshwater sources, damaging drinking water supplies and farmland near the coast.

The global response: building a policy framework

Because greenhouse gases mix across the entire atmosphere, no single country can solve the problem alone. This is why global cooperation has become central to climate action. Over three decades, an architecture of treaties and institutions has developed to coordinate that cooperation.

The UNFCCC

The United Nations Framework Convention on Climate Change (UNFCCC) is the foundation of global climate governance. Adopted in 1992 at the Rio Earth Summit, it set the broad goal of stabilising greenhouse gas concentrations at safe levels. India signed the Convention in 1992 and ratified it shortly afterward. The UNFCCC introduced the principle of “common but differentiated responsibilities,” which recognises that all countries share the problem but that developed nations, having emitted the most historically, must take the lead.

The Kyoto Protocol and the Clean Development Mechanism

The Kyoto Protocol, adopted in 1997, was the first treaty to set legally binding emission-reduction targets for developed countries. To make those targets easier to meet, it created flexible market-based mechanisms. The most important of these for developing nations is the Clean Development Mechanism (CDM).

Defined in Article 12 of the Protocol, the CDM allows a developed country with an emission commitment to fund an emission-reduction project in a developing country. Such projects earn certified emission reduction (CER) credits, each equal to one tonne of carbon dioxide, which the developed country can count toward its own target. A typical project might involve solar power for villages or more efficient industrial equipment. The mechanism became operational in 2006 and was designed to do two things at once: cut emissions and support sustainable development in poorer nations. A small share of the proceeds from these credits also funds adaptation projects in vulnerable countries.

The Paris Agreement

The 2015 Paris Agreement marked a shift in approach. Unlike Kyoto, which bound only developed countries, it applies to every party. It aims to keep the rise in global average temperature well below 2ยฐC above pre-industrial levels, while pursuing efforts to limit it to 1.5ยฐC. Each country defines its own nationally determined contribution (NDC) and is expected to update it every five years with greater ambition. Paris linked mitigation, adaptation, and financial support into a single framework, making national action the engine of global progress.

India’s commitments and local actions

Global treaties only matter when they translate into national policy. The country has built a layered policy framework that connects international commitments to domestic action.

The National Action Plan on Climate Change

Launched in 2008, the National Action Plan on Climate Change (NAPCC) is the cornerstone of domestic climate policy. It operates through eight national missions covering solar energy, energy efficiency, sustainable habitat, water, the Himalayan ecosystem, afforestation, sustainable agriculture, and climate knowledge. The Green India Mission, for example, aims to expand forest cover, while the National Water Mission targets a significant improvement in water-use efficiency. These missions show how mitigation and adaptation are pursued together rather than in isolation.

Net zero and the NDCs

At COP26 in 2021, India announced a target of reaching net-zero emissions by 2070. Its updated NDC commits to reducing the emissions intensity of GDP by 45% from 2005 levels by 2030, and to sourcing about half of installed electricity capacity from non-fossil sources by the same year. Significantly, the country has already met earlier targets ahead of schedule and has committed to stronger adaptation measures in agriculture, water, health, disaster management, the Himalayas, and coastal regions. This reflects a deliberate strategy of decoupling economic growth from rising emissions.

Mitigation and adaptation: two sides of the response

Mitigation means cutting emissions to slow the pace of warming. It includes switching to renewable energy, improving energy efficiency, electrifying transport, and protecting forests that absorb carbon. Adaptation means adjusting to the changes that are already unavoidable. It includes building flood defences, developing drought-resistant crops, strengthening early-warning systems, and protecting coastal communities.

Developing nations need both, but adaptation is especially urgent for them. Their populations often depend directly on climate-sensitive sectors such as farming and fishing, and they have fewer financial resources to recover from disasters. Enhancing adaptive capacity, supported by climate finance and technology transfer from wealthier nations, is therefore a matter of justice as much as practicality.

Why developing countries need special attention

The countries that have contributed least to the problem often face the harshest consequences. They tend to be more exposed to extreme weather and have weaker infrastructure to cope. This is why climate finance, fair access to clean technology, and mechanisms like the CDM are so important. They allow poorer nations to grow their economies and lift people out of poverty while still moving toward cleaner energy. The central challenge is to balance development with decarbonisation, ensuring that the transition does not come at the cost of the people who can least afford it.

What do you think? Can a developing nation realistically pursue rapid economic growth and deep decarbonisation at the same time, or do these goals inevitably pull against each other? And where should the heavier burden of climate action fall: on the countries that have emitted the most historically, or on those whose emissions are growing fastest today?

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References
  1. https://climateknowledgeportal.worldbank.org/country/india/sea-level-projections
  2. https://www.downtoearth.org.in/climate-change/indias-climate-apocalypse-new-scientific-update-paints-stark-picture-on-countrys-accelerating-crisis
  3. https://climateknowledgeportal.worldbank.org/country/india/impacts-sea-level-rise
  4. https://www.nature.com/articles/s41598-025-13394-5
  5. https://unfccc.int/resource/bigpicture/
  6. https://unfccc.int/process-and-meetings/the-kyoto-protocol/mechanisms-under-the-kyoto-protocol/the-clean-development-mechanism
  7. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2822162/
  8. https://www.pmindia.gov.in/en/news_updates/cabinet-approves-indias-updated-nationally-determined-contribution-to-be-communicated-to-the-united-nations-framework-convention-on-climate-change/
  9. https://climatepromise.undp.org/what-we-do/where-we-work/india

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Sustainable Development – Issues and Challenges

1 What is Sustainable Development

  1. Meaning of Sustainability, Development and Sustainable Development
  2. Critiques of Growth Model
  3. Industrialisation
  4. Urbanisation
  5. Inequities
  6. Resource Utilisation
  7. Origins of Sustainable Development
  8. Definitions of Sustainable Development (Dimensions and Concepts)
  9. Sustainable and Non-sustainable Activities

2 Parameters of Sustainable Development

  1. Concept of Carrying Capacity
  2. Inter-generational Equity and Justice (Global, Regional and Country levels)
  3. Intra-generational Equity and Justice (Global, Regional and Country levels)
  4. Gender Disparity
  5. Diversity (Social, Cultural Knowledge, Bio)

3 Approaches to the Study of Sustainable Development

  1. Positivist Approach
  2. Multi-dimensional Approach
  3. Eco-system Approach
  4. Indigenous Views

4 Issues and Challenges

  1. Sustainable Economic Growth
  2. Achieving Sustainable Livelihood
  3. Living in Harmony with Nature

5 Natural Resource Exploitation

  1. Historical Perspective and Stages of Development
  2. Sector-wise Parameters of Sustainable Development: Agriculture
  3. Sector-wise Parameters of Sustainable Development: Industry
  4. Sector-wise Parameters of Sustainable Development: Service
  5. Defence and Armament
  6. Quest for Comfort: Life Style and Consumerism
  7. Quest for Comfort: Energy

6 Patterns of Industrialisation

  1. Industrialisation: Historical Perspective
  2. Industrialisation: Regional Perspective
  3. Forms of Industrialisation
  4. Impact of Globalisation

7 Inequitable Growth

  1. Indicators of Inequality
  2. Development and Exclusion
  3. Bridging the Gap

8 Global and Regional Dimensions

  1. Desertification and Droughts
  2. Floods and Soil Erosion
  3. Rise in Sea Level
  4. Deforestation
  5. North-South Divide
  6. Biodiversity
  7. Climate Change
  8. Intellectual Property Rights

9 State Initiatives

  1. Legislative Measures
  2. Judicial Interpretations
  3. Institutional Mechanisms

10 Regional Initiatives

  1. Initiatives by Regional Organisations
  2. SAARC Initiatives
  3. Institutional Mechanisms

11 Global Initiatives

  1. Major Conferences on Environment and Development
  2. International Conventions / Agreements on Sustainable Development
  3. International Agencies
  4. Roadblocks to Global Initiatives

12 Civil Societies and Community Initiatives

  1. Rio-Seattle-Geneva
  2. Civil Society Initiatives in the Regional Context
  3. Country-based Civil Societiesโ€™ Initiatives

13 Community Knowledge

  1. Traditional Knowledge
  2. Modern Scientific Knowledge
  3. Measures to be taken by the Scientific Community
  4. Integration of Scientific and Traditional Knowledge for Sustainable Development
  5. Agriculture and Forestry
  6. Conservation of Biodiversity
  7. Artisanal Technologies
  8. Health and Medicine
  9. Partnership between Scientific Community and Indigenous People

14 Harness Technology

  1. Traditional Knowledge
  2. Modern Scientific Knowledge
  3. Measures to be taken by the Scientific Community
  4. Integration of Scientific and Traditional Knowledge for Sustainable Development
  5. Agriculture and Forestry
  6. Conservation of Biodiversity
  7. Artisanal Technologies
  8. Health and Medicine
  9. Partnership between Scientific Community and Indigenous People

15 Innovative Practices

  1. Innovation and Industry
  2. Recycling and Reuse
  3. Innovative Practices in Agriculture and Forestry
  4. Biotechnology and Agriculture
  5. Agroforestry
  6. Ethnoforestry
  7. Community Participation
  8. Clusters
  9. Village Cooperatives
  10. Bio-Villages or Eco-Villages
  11. Water and Energy
  12. Rainwater Harvesting
  13. Indigenous Systems of Tapping Water
  14. Alternative Sources of Energy
  15. Information and Communication Technology

16 Cooperation and Partnership

  1. Participation of the Government
  2. Non-Governmental Organisations
  3. Cooperatives and Sustainable Development
  4. Technology Networks
  5. Regional Cooperation and Partnership in South Asia
  6. Peopleโ€™s Participation and Movements