A misleading bar chart comparing modern carbon dioxide (CO2) levels to those millions of years before humans existed ignores a large CO2 increase during the human era that has changed the climate and ...
The last time carbon dioxide in the atmosphere consistently matched today's human-driven levels was 14 million years ago, according to a large new study Thursday that paints a grim picture of where ...
The end of spring heralds a grim anniversary at the Mauna Loa Observatory in Hawaii. Since 1958 scientists at the station have been measuring the concentration of carbon dioxide (CO 2) in the ...
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