Despite pandemic shutdowns, carbon dioxide and methane surged in 2020. Carbon dioxide levels are now higher than at anytime in the past 3.6 million years. Levels of the two most important anthropogenic greenhouse gases, carbon dioxide and methane, continued their unrelenting rise in 2020 despite the economic slowdown caused by the coronavirus pandemic response, NOAA announced today. The global surface average for carbon dioxide (CO2), calculated from measurements collected at NOAA’s remote sampling locations, was 412.5 parts per million (ppm) in 2020, rising by 2.6 ppm during the year. The global rate of increase was the fifth-highest in NOAA’s 63-year record, following 1987, 1998, 2015 and 2016. The annual mean at NOAA’s Mauna Loa Observatory in Hawaii was 414.4 ppm during 2020.
NOAA 7th April 2021 read more »
Guardian 7th April 2021 read more »
Methane levels in the atmosphere surged during 2020, marking the biggest increase since records began in 1983, in what scientists called a worrying development for the planet.New data showed both methane and carbon dioxide reached record amounts in the atmosphere last year, despite the coronavirus pandemic bringing much of the world’s economy to a halt.Lori Bruhwiler, physical scientist at the US National Oceanic and Atmospheric Administration, said the jump in methane levels was “fairly surprising — and disturbing”.“We don’t usually expect them to jump abruptly in a year,” said Bruhwiler. The exact reasons for the increase are not yet known, she added.
FT 7th April 2021 read more »
Carbon dioxide in the atmosphere is now 50 per cent higher than before the industrial revolution, having risen to record levels despite last year’s lockdown-induced dip. The average level of CO2 in the atmosphere last month was 417.14 parts per million (ppm), up from 278 ppm in the late 18th century when widespread industrial activity began.
Times 8th April 2021 read more »