Carbon dioxide levels measured at NOAA’s Mauna Loa Atmospheric Baseline Observatory peaked at 424 parts per million (ppm) in May, continuing a steady climb further into territory not seen for millions ...
The National Oceanic and Atmospheric Administration in 2023 measured levels of carbon dioxide in the atmosphere that haven't been as high for millions of years. Atmospheric CO2 reached an average of ...
The Center for American Progress is an independent nonpartisan policy institute that is dedicated to improving the lives of all Americans through bold, progressive ideas, as well as strong leadership ...
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