Heat wave risk hovers over Paris Olympics

Scorching summer heat is hard to imagine now in mid-winter Paris, but in six months when the world's athletes arrive for the Olympics, another pounding heat wave would spell trouble for organizers.

Video: Why we need to preserve maritime forests

While collecting cores from oak trees on Fire Island National Park, Nicole Davi, a dendrochronologist who works at the Climate School's Lamont-Doherty Earth Observatory, explains the critical role maritime forests play in ...

Warming world dampening winter sports in Canada

Christmas was without snow, then temperatures seesawed throughout January in much of Canada, as the increasing effects of climate change drastically dampen the country's winter sports season.

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