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earthsystem.org | ||
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co2coalition.org
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| | | | | By Gregory Wrightstone People should be celebrating, not demonizing, modern increases in atmospheric carbon dioxide (CO2). We cannot overstate the importance of the gas. Without it, life doesn't exist. First, a bit of history: During each of the last four glacial advances, CO2's concentration fell below 190 parts per million (ppm), less than 50 percent of our current concentration of ... Read more | |
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daniellefong.com
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| | | | | This article first appeared in issue n.16 of Oxygen, sponsored by the Italian energy giant Enel The powerplants we are building now will define the biosphere of our planet for the next 5000 years. The math is straightforward, and stark. Carbon dioxide stays in the atmosphere for a long, long time. It takes nearly 5000... | |
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science.nasa.gov
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| | | | | A quarter to half of Earth's vegetated lands has shown significant greening over the last 35 years largely due to rising levels of atmospheric carbon dioxide. | |
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climate.nasa.gov
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| | | Graphs and an animated time series showing atmospheric carbon dioxide levels from the last three glacial cycles to present day. | ||
