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Rapid Melting of Ice Sheet in Andes Threatens Regional Water Supplies —
22 Apr 2013 —
More evidence is showing that the world's changing temperatures are prompting record ice melt, putting at risk large ice sheets. Though much of the current focus has been on the massive ice reserves in Greenland and the Arctic, scientists are finding that glaciers high in the mountains, such as in the Himalayas and the Andes, are also receding. A study published in Science documents the rapid changes in an ice cap high in the Andes in Peru, where ice that took 1,600 years to form has melted in just the past 25 years, putting at risk vital water sources for the region.
Increased Carbon Dioxide Levels Damage Coral Reefs —
17 Apr 2013 —
Scientists have been worried about coral reefs for years, since realizing that rising temperatures and rising ocean acidity are hard on organisms that build their skeletons from calcium carbonate. Researchers on Australia's Great Barrier Reef are conducting an experiment that demonstrates just how much corals could suffer in the coming decades. ~~ In the second clip, a climate scientist from California has been conducting an experiment to see whether antacid can boost coral growth.
Carbon-Neutral Copenhagen —
19 Apr 2013 —
In fall 2012, Copenhagen laid out an ambitious plan to become the world's first carbon-neutral capital by 2025. There's still a long way to go, but as reporter Justin Gerdes tells us, the Danish city has made great progress, with an ocean-water cooling system up and running, plus a bike super-highway and, of course, many windmills.
Get more audio clips on climate change (and many more topics) in Grinning Planet's biweekly downloadable audio news feed. |
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| Copyright 2012 © Mark Jeantheau — All rights reserved. More info | ||
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