Carbon Dioxide Climate Change Climate Scientist Greenhouse 
Real Climate
NOVEMBER 29, 2023
It is 33 years now since the IPCC in its first report in 1990 concluded that it is “certain” that greenhouse gas emissions from human activities “will enhance the greenhouse effect, resulting on average in an additional warming of the Earth’s surface.” It’s not hard to understand.
Legal Planet
SEPTEMBER 22, 2023
This summer was the hottest on record and the season was rife with dire signs that the atmosphere’s dangerous levels of carbon dioxide are wreaking havoc on the environment and communities. The state contended that their actions are not responsible for global climate change. Seeing them come to life in court was powerful.
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Legal Planet
AUGUST 15, 2023
A state court judge in the ‘Last Best Place’ just gave the youth climate movement a shot in the arm with the first decision of its kind that directly connects specific state actions to global climate change and then to injuries suffered by young people. courts have not yet engaged in this kind of fact-finding on climate change.
Legal Planet
JULY 12, 2023
As I outlined here , Montana state law prohibits the consideration of greenhouse gas emissions or climate impacts–– inside and outside the state’s borders––when reviewing projects and approving permits. This now-infamous climate prohibition has been called a “limitation” on the Montana Environmental Policy Act, or MEPA.
A Greener Life
MAY 9, 2022
Cutting-edge models predict that El Niño frequency will increase within 2 decades because of climate change, regardless of emissions mitigation efforts. The El Niño–Southern Oscillation ( ENSO ) is one of the most significant, but variable, climate patterns in the world. Photo credit: ©EU/ECHO/J. By Rachel Fritts.
Real Climate
OCTOBER 12, 2021
Last week, the Nobel physics prize was (half) awarded to Suki Manabe and Klaus Hasselmann for their work on climate prediction and the detection and attribution of climate change. This came as quite a surprise to the climate community – though it was welcomed warmly. But let’s go back to the beginning.
Real Climate
AUGUST 12, 2021
I followed with great interest the launch of the sixth assessment report Working Group 1 (The Physical Science Basis) from the Intergovernmental Panel on Climate Change (IPCC) on August 9th. The cause of our changing climate is the increase in atmospheric greenhouse gas concentrations that we have released into the air.
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