Tag: climate change
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This is your brain on trees — why is urban nature so good for the mind?
THE GLOBE AND MAIL — Green space helps people feel less depressed and fatigued, and science is still exploring all the other ways it lifts our spirits. In a global crisis, we could all use more time in nature.
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A root of change
BRACING FOR IMPACT — The harvest of wild American ginseng root has been a part of North American culture for 300 years, but this tradition is in peril. Is it possible to save both a species and a pastime?
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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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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.