CURRENT AFFAIRS

Detailed explanation-1: -The UN weather agency lists 2021 as one of the seven warmest years on record, with global temperatures rising more than 1°C above pre-industrial levels and edging closer to the limit laid out under the 2015 Paris Agreement on Climate Change.

Detailed explanation-2: -According to an analysis by scientists at NOAA’s National Centers for Environmental Information (NCEI), 2021 ranked sixth on the list of warmest years on record, dating back to 1880. Earth’s average land and ocean surface temperature in 2021 was 1.51 degrees F (0.84 of a degree C) above the 20th-century average.

Detailed explanation-3: -The warmest seven years have all been since 2015; the top three being 2016, 2019 and 2020. An exceptionally strong El Niño event occurred in 2016, which contributed to record global average warming. “Back-to-back La Niña events mean that 2021 warming was relatively less pronounced compared to recent years.

Detailed explanation-4: -The last seven years were the world’s hottest on record, with the first analysis of global temperature in 2021 showing it was 1.2C above pre-industrial levels.

Detailed explanation-5: -The warmest eight years have all been since 2015, with 2016, 2019 and 2020 constituting the top three. An exceptionally strong El Niño event occurred in 2016, which contributed to record global temperatures.