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climate.mit.edu | ||
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www.theguardian.com
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| | | | | A healthy ocean is vital for a healthy planet, and healthy coral reefs lie at the heart of ocean biodiversity | |
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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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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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www.space.com
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| | | NASA's Apollo 11 moon landing was a risky endeavor for astronauts Neil Armstrong, Buzz Aldrin and Michael Collins. See how NASA handled risk during the Apollo lunar missions. | ||