CURRENT AFFAIRS

Detailed explanation-1: -The Intergovernmental Panel on Climate Change (IPCC), a forum for the examination of greenhouse warming and global climate change, was established and met for the first time in November. The General Assembly identified climate change as a specific and urgent issue.

Detailed explanation-2: -UK: It is the first nation in the world to declare a climate emergency with an objective to eliminate net greenhouse gas emissions completely by 2050 (compared to the current objective of 80 percent). Ireland has become the second country in the world to declare such a climate emergency.

Detailed explanation-3: -UPSC Mains Q. Which country has declared a 90-day “environmental emergency” after a massive Crude Oil Spill? Notes: The Peruvian Government declared a 90-day “environmental emergency” in damaged coastal territories, after 6,000 barrels of crude oil spilled into the sea.

Detailed explanation-4: -In 1896, a seminal paper by Swedish scientist Svante Arrhenius first predicted that changes in atmospheric carbon dioxide levels could substantially alter the surface temperature through the greenhouse effect. In 1938, Guy Callendar connected carbon dioxide increases in Earth’s atmosphere to global warming.