News tagged with atmospheric carbon

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 ...

Jul 30, 2013
4 / 5 (8) 1

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.

Jul 21, 2013
3.7 / 5 (18) 21 | with audio podcast

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 ...

Jul 16, 2013
4.7 / 5 (12) 12 | with audio podcast

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 ...

Jul 03, 2013
4.7 / 5 (12) 6