Carbon Dioxide 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.” Carbon dioxide data from air bubbles enclosed in Antarctic ice.
Real Climate
NOVEMBER 23, 2024
It shows the atmospheric concentrations of carbon dioxide (CO 2 ) and tells a story about the carbon cycle, involving Earth’s crust, the atmosphere, land surface, the biosphere, and the oceans. The Keeling curve, highlighted with the release of important climate reports and climate summits.
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Real Climate
OCTOBER 12, 2021
In this, he is in violent agreement with Isaac Held, his colleague at GFDL, and indeed most climate scientists. These were very much the ideas that set the discussions in climate science in the 1990s. As you will recall, Hansen had declared in 1988 that “the greenhouse effect is here!”, Hegerl et al.,
Real Climate
AUGUST 12, 2021
There is no doubt that we have changed Earth’s climate through our activities on a broad range of aspects that includes consequences for the atmosphere, the oceans, snow, ice, Earth’s fauna and ecosystems. The cause of our changing climate is the increase in atmospheric greenhouse gas concentrations that we have released into the air.
Inside Climate News
NOVEMBER 4, 2024
Removing cattle from carbon-rich soils in the eastern U.S. and western Europe while intensifying production elsewhere could drastically cut greenhouse gas emissions, with little hit to global protein production, a new study shows.
Real Climate
AUGUST 9, 2021
As climate scientists we tend to look at the IPCC reports a little differently than the general public might. Here are a few things that mark this report out from previous versions that relate to issues we’ve discussed here before: Extreme events are increasingly connected to climate (duh!) 1, SPM, AR5. Johnson, A.
Legal Planet
AUGUST 15, 2023
They called expert witnesses to calculate the total greenhouse gas emissions caused by activity in Montana, a major gas and coal producing state, and connected that to tangible impacts on ecosystems and humans in the state. But New York, Pennsylvania and Hawaii do, so these courtroom lessons are applicable for future trials there. “The
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