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Human-Driven Warming Started Nearly 200 Years Ago, Study FindsThe signal of human-driven warming can be detected as far back as the 1830s, a new study finds.
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May Was Planet's Hottest Month on Record, NASA SaysMay was the fifth record warm month this year, upping the odds that 2016 will be the hottest year on record.
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'99 Percent Chance' 2016 Will Be Hottest YearWith the streak of record-warm months continuing, 2016 is looking likely to become the hottest year on record.
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Will La Niña Follow One of the Strongest Ever El Niños?After reaching an exceptionally strong peak, El Niño is waning. A La Niña could follow next fall.
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Big Blasts: History's 10 Most Destructive VolcanoesTheir explosive power and tons of debris have wreaked havoc on the Earth since the world began.
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How a Monster El Niño Transforms the World's Weather -
February Blows Away Global Heat RecordFebruary 2016 was by far the warmest February, and the most anomalously warm month in the record book.
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2015 Shatters Hottest Year Record, But 2016 Could Rival It2015 blew away the competition for record heat, besting 2014 by widest margin on record.
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A Hurricane? In January? You Can Thank El NiñoHurricane Pali is the earliest ever recorded hurricane in the Central Pacific, a rare winter tropical cyclone that benefited from a strong El Niño.
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2015 Was 2nd Hottest on Record -
Two Charts Show December’s Crazy WarmthDecember has been crazy warm across the East, leading to 10,000 daily heat records compared to 500 cold ones.
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Historic Photos Paint Picture of Greenland Ice LossA picture is worth a thousand words, or, in Greenland, a thousand scientific measurements.
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U.S. Agencies Agree: October Was Crazy WarmNOAA and NASA said October had the biggest temperature departure of any month in 100-plus years.
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It’s After Labor Day, So Why Is It Still So Hot?Unseasonable heat has much of the U.S. in its grip. Global warming will likely make heat waves more intense.
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El Niño Could Rank Among Strongest on RecordThis year's El Niño looks to rank among the strongest on record, with potential U.S. weather impacts.
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Drought Toll: California Now Missing 1 Year’s Worth of RainCalifornia's rain deficit during its record-setting drought is about one year's worth of normal rain.
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Record Hot First Half May Herald Warmest Year YetJune 2015 was the warmest June on record, and there's a good chance 2015 will be the warmest year.
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Russia's Impossible Rainstorm of 2012 Finally ExplainedWarming Black Sea waters fueled an intense rainfall event in Krymsk, Russia in 2012.
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June Breaks US Heat RecordsThe temperatures for June are in and five Western states saw their warmest June ever.
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2015 Arctic Sea Ice: How Low Will It Go?Scientists say the Arctic Sea ice extent in 2015 is likely to be among the lowest on record.
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Pope’s Climate Encyclical: 4 Main PointsPope Francis' climate change encyclical has been released. Here are 4 main points from it.
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Pope Francis’ Letter on Climate Change Leaked EarlyPope Francis's much-anticipated climate change encyclical was leaked early by an Italian paper.
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Arctic Sea Ice Dwindling Toward Record Winter LowWinter is when Arctic sea ice reaches its peak extent, but this year it could set a record seasonal low.
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After Much Ado, El Niño Officially DeclaredA weak El Nino has finally emerged a year after its first signs of forming, but weather impacts will be muted.
