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Showing posts with label nitrous oxide. Show all posts

Showing posts with label nitrous oxide. Show all posts

Tuesday, February 15, 2022

Greenhouse gas levels keep rising at accelerating speed

Carbon dioxide Carbon dioxide (CO₂) was 421.59 parts per million (ppm) at Mauna Lao, Hawaii, on February 14, 2022, a level unprecedented in ...

Friday, October 15, 2021

Will COP26 in Glasgow deliver?

September 2021 was the second warmest September on record, after September 2020, according to NASA, Copernicus and James Hansen , despite...

Monday, May 4, 2020

Very High Greenhouse Gas Levels

Carbon Dioxide On June 1, 2020, NOAA recorded a daily average carbon dioxide (CO₂) level of 418.32 ppm at Mauna Loa, Hawaii. The ima...

Wednesday, May 1, 2019

Greenhouse Gas Levels Keep Accelerating

Carbon Dioxide Weekly CO₂ (carbon dioxide) levels at Mauna Loa, Hawaii, in May, 2019, reached 415.39 ppm, as above image shows. An omin...

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