News tagged with atmospheric carbon dioxide

Radio waves carry news of climate change

The ionosphere, one of the regions of the upper atmosphere, plays an important role in global communications. Ionized by solar radiation, this electricity-rich region is used for the transmission of long ...

dateJul 30, 2013 in Earth Sciences
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Ancient ice melt unearthed in Antarctic mud

Global warming five million years ago may have caused parts of Antarctica's large ice sheets to melt and sea levels to rise by approximately 20 metres, scientists report today in the journal Nature Geoscience.

dateJul 21, 2013 in Earth Sciences
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High CO2 spurs wetlands to absorb more carbon

(Phys.org) —Under elevated carbon dioxide levels, wetland plants can absorb up to 32 percent more carbon than they do at current levels, according to a 19-year study published in Global Change Biology from t ...

dateJul 16, 2013 in Environment
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How climate-friendly is your cup of coffee?

Coffee drinkers are encouraged to buy environmentally-friendly coffee, whether it be certified, organic or shade coffee (grown under the shade of trees that are important habitat for birds), but how effective are these ways ...

dateJul 03, 2013 in Environment
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Wood not so green a biofuel

Using wood for energy is considered cleaner than fossil fuels, but a Dartmouth College-led study finds that logging may release large amounts of carbon stored in deep forest soils. The results appear in the journal Global Ch ...

dateJun 11, 2013 in Environment
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