UN says 2001-2010 decade shows faster warming trend

Global warming accelerated since the 1970s and broke more countries' temperature records than ever before in the first decade of the new millennium, U.N. climate experts said Wednesday.

UN: El Nino unlikely to hit by end of 2012

There is little chance the potentially devastating El Nino weather phenomenon will return before the end of the year, the UN's weather agency said.

Greenhouse gases soar; no signs warming is slowed

(AP) -- Heat-trapping greenhouse gases in the atmosphere are building up so high, so fast, that some scientists now think the world can no longer limit global warming to the level world leaders have agreed upon as safe.

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