Category: environment
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Caribou genetics reveal shadow of climate change
Nature Ancient ice ages that shaped modern caribou populations may foretell animals’ fate in a warmer world. When ice sheets marched across North America 20,000 years ago during the Last Glacial Maximum, they devoured liveable areas for caribou and isolated them from their Eurasian relatives for thousands of years. Now researchers have evidence that such…
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Ozone-hole treaty slowed global warming
Montreal Protocol helped to curb climate change and so did world wars and the Great Depression. Human actions that were not intended to limit the greenhouse effect have had large effects on slowing climate change. The two world wars, the Great Depression and a 1987 international treaty on ozone-depleting chemicals put a surprising dent in…
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Lady of the lakes
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NATURE — Diane Orihel set her PhD aside to lead a massive protest when Canada tried to shut down its unique Experimental Lakes Area.
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In carbon sequestration, money grows on trees
DISCOVER MAGAZINE — Guyana’s tropical rainforests protected under the REDD program provide not just natural resources but an income stream to the country.
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Ozone loss warmed southern Africa
Nature Antarctic ozone hole’s effects may have spread much wider than thought. Ozone loss over the South Pole might be the reason for a two-decade rise in early summer temperatures across southern Africa, according to research published today in Nature Geoscience1. Desmond Manatsa, a climate scientist at Bindura University of Science in Zimbabwe, and colleagues analysed…