Remove Atmosphere Remove Climate Scientist Remove Ozone Remove Paris Agreement
article thumbnail

Viewpoint: Forty-three years of the environmental movement?

A Greener Life

In the 1960s climate change was not really a significant concern, not even amongst environmentalists – this was despite the fact that the Swedish scientist Svante Arrhenius in 1896 was the first to claim that emissions from fossil fuels might eventually result in enhanced global warming. Today that number is 420ppm and rising.

article thumbnail

May 2020 Updates to the Climate Case Charts

Columbia Climate Law

EPA of a 2015 rule barring replacement of ozone-depleting substances with hydrofluorocarbons (HFCs), which are powerful greenhouse gases. Circuit vacated the 2015 rule to the extent that it prohibited continued use of HFCs by companies that previously switched to HFCs from an ozone-depleting substance. In Mexichem , the D.C.

2020 40
article thumbnail

Policy News: April 11, 2022


This latest report looks at mitigation — or what the world can do to stop pumping greenhouse gases into the atmosphere. It’s the third chapter in the IPCC’s mammoth sixth assessment report, part of a series of studies that summarize the state of climate science and the planet released roughly every seven years. Halting at 1.5

2022 98