Environmental pollution and degradation - Page 2 of 3

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Discuss in detail the photochemical smog emphasising its formation, effects and mitigation. Explain the 1999 Gothenburg Protocol. (150 words) [2022]

Photochemical smog is a type of air pollution that is formed through the chemical reactions of pollutants in the presence of sunlight. It is typically…

Each year a large amount of plant material, cellulose is deposited on the surface of Planet Earth. What are the natural process this cellulose undergoes before yielding carbon dioxide, water and other end products? (150 words) [2022]

Cellulose is a complex carbohydrate that is found in plant cell walls and is the main component of plant material. When plant material, such as…

Describe the major outcomes of the 26th session of the Conference of the Parties (COP) to the United Nations Framework Convention on Climate Change (UNFCCC). What are the commitments made by India at this conference? (250 words) [2021]

Describe the key points of the revised Global Air Quality Guidelines (AQGs) recently released by the World Health Organisation (WHO). How are these different from its last update in 2005? What changes in India’s National Clean Air Programme are required to achieve these revised standards? (150 words) [2021]

The World Health Organization (WHO) has released revised guidelines for air quality, known as the Global Air Quality Guidelines (AQGs). These guidelines provide recommended levels…

Explain the purpose of the Green Grid Initiative launched at the World Leaders Summit of the COP26 UN Climate Change Conference in Glasgow in November 2021. When was this idea first floated in the International Solar Alliance (ISA)? (150 words) [2021]

The Green Grid Initiative, also known as the One Sun One World One Grid (OSOWOG) initiative, was launched at the World Leaders Summit of the…

What are the key features of the National Clean Air Programme (NCAP) initiated by the Government of India? (250 words)

The National Clean Air Programme (NCAP) is an ambitious initiative launched by the Government of India to tackle the problem of air pollution in the…

Describe the benefits of deriving electric energy from sunlight in contrast to the conventional energy generation. What are the initiatives offered by our Government for this purpose? (250 words)

There are several benefits of generating electric energy from sunlight compared to conventional energy generation methods. Some of these benefits include: In order to accelerate…

What are the salient features of the Jal Shakti Abhiyan launched by the Government of India for water conservation and water security? (150 words)

The Jal Shakti Abhiyan is a campaign launched by the Government of India in 2019 for water conservation and water security in the country. The…

Define the concept of carrying capacity of an ecosystem as relevant to an environment. Explain how understanding this concept is vital while planning for sustainable development of a region. (250 words)

Carrying capacity is the maximum number of individuals or population that an ecosystem can support without causing any damage to its structure or function. It…