Answer: The Earth's climate system is a complex interplay of energy flows, with various factors influencing its overall temperature. Radiative forcing quantifies the initial perturbation to this energy balance, while climate feedbacks, such as cloud and lapse-rate feedback, describe how the system responds to and modifies this initial forcing. Understanding these concepts, as explored in MEV-021, is crucial for comprehending the drivers and consequences of climate change.

Answer: The Paris Agreement, adopted in December 2015 at COP21 and entering into force in November 2016, is a landmark international treaty aiming to combat climate change. As discussed in MEV-021, it represents a universal, legally binding agreement that commits all signatory countries to address global warming. Its central purpose is to significantly reduce global greenhouse gas emissions and limit the global temperature increase in this century. One of the core features of the Agreement is its long-...

Answer: The National Action Plan on Climate Change (NAPCC), launched by the Government of India in 2008, serves as a comprehensive policy framework to address climate change challenges. It aims to achieve national growth objectives while effectively dealing with climate change, promoting sustainable development, and integrating climate considerations into development planning across various sectors. The plan underscores India's commitment to global climate action through a multi-pronged approach encompa...

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Answer: Palaeoclimatology is the study of past climates, utilizing various natural archives to reconstruct environmental conditions before the instrumental record began. Since direct measurements are unavailable, scientists rely on 'proxy data' – preserved physical, chemical, and biological characteristics of the past that stand in for direct measurements. These proxies, often derived from geological, biological, or glaciological records, allow for an understanding of long-term climate variability. Ice...

Answer: Climate change is a complex phenomenon driven by various factors, both natural and anthropogenic. Natural drivers are those processes inherent to Earth's systems or extraterrestrial influences that can alter the planet's energy balance and, consequently, its climate. These drivers have historically caused significant climate shifts over various timescales, from decades to millions of years. One significant natural driver is **solar radiation variability**. The Sun's energy output, known as Tota...