• U.S. Senate votes 74-14 to debate the Lieberman-Warner Climate Security Act — or at least debate whether to debate it.

• NASA “marginalized, or mischaracterized” studies on global warming.

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• New York City experiences bike shortages.

• Quebec and Ontario team up to tackle global warming.

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• Poachers take a toll on rhinos in Nepal.

• Plans go forward for indoor ski mountain on Long Island.