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 ...
Log-in to bookmark & organize content - it's free! Columbia University history professor Matthew Connelly, author of "The Declassification Engine," talked about the levels of document classification ...
Source: National Oceanic and Atmospheric Administration’s Global Monitoring Laboratory The chart shows monthly numbers of carbon dioxide molecules per million molecules of dry air. Because of seasonal ...
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