GEOLOGY

Detailed explanation-1: -The Earth’s climate has always changed. Over the course of the Earth’s 4.5-billion-year history, the climate has changed a lot. This is true.

Detailed explanation-2: -Glaciers are melting and sea levels are rising The global mean sea-level rose by 7 centimetres in just 25 years. Some seaside cities around the world are already losing their coasts to rising sea levels.

Detailed explanation-3: -Heat waves’ frequency and intensity are increasing in India because of climate change. Severe landslides and floods are projected to become increasingly common in such states as Assam. Climate change performance index of India ranks eighth among 63 countries which account for 92% of all GHG emissions in the year 2021.