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How Tree Rings Reveal Climate Secrets (Infographic)Scientists study ancient trees to learn about past droughts.
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La Niña Events May Spike with Climate ChangeThe weird weather phenomenon known as La Niña could occur nearly twice as often in the future as it does now, due to global warming, researchers say in a new study.
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2014 Will Be Earth's Hottest Year on Record, Despite US ColdArctic storms could bury Buffalo under heaps of snow until Christmas and 2014 will still be the hottest year on Earth since 1880, climate scientists said today.
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Odds of El Niño Fall to 58 PercentEl Niño conditions continue to sputter in the tropical Pacific Ocean, pushing back the odds of even a weak El Niño emerging this winter, forecasters said today (Nov. 6).
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Hot News: 2014 On Track to Become Warmest YearThe "odds are good" that 2014 will be the warmest year in the books, fueled by record ocean warmth.
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September Was Warmest on Record, NASA Data ShowsSeptember 2014 was the warmest September since 1880, update NASA data shows.
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Where Is El Nino? And Why Do We Care?El Niño still hasn't emerged, but forecasters give it a two-thirds chance of forming by the end of the year.
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Nearly 600 Years of Tree Rings Show Altered Ocean HabitatSix centuries of tree-ring data have shown that coastal upwelling along the west coast of North America has become highly variable in the last half century.
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El Nino Watch: 6 Months and Still CountingEl Niño, which has been anticipated to form since March, has yet to arrive but is still expected.
