Search Climate Signals
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Global warming is already shrinking the Colorado River, the most important waterway in the American Southwest, and it could reduce the flow by more than a third by the end of the century, two scientists say.
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Record February heat in the US is consistent with global warming trend
Temperatures for most of the eastern half of the US in February 2017 have been unseasonably warm, with record highs in the 50s, 60s and even 70s. Dozens of record highs, and all time highs for the month of
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University of Louisville climatologist Keith Mountain, a former state geographer, has studied a century's worth of Louisville weather and said he definitely sees the fingerprint of climate change on this winter.
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The shrunken carcasses of cows lie in scorched fields outside the city of Campina Grande in northeast Brazil, and hungry goats search for food on the cracked-earth floor of the Boqueirao reservoir that serves the desperate town.
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While large portions of the Lower 48 are witnessing a year without a winter, Maine is one of just a couple regions that is a notable exception.
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California is not the only place in the West confronting startling amounts of rain and snow.Drought conditions have declined substantially across the region in recent weeks, with heavy storms replenishing reservoirs and piling fresh powder on ski resorts.
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Climate science at a glance
Extreme precipitation is increasing. This is a global trend that has been clearly documented and firmly attributed to global warming.
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Always short of water, Mexico City keeps drilling deeper for more, weakening the ancient clay lake beds on which the Aztecs first built much of the city, causing it to crumble even further.
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A large research synthesis, published in one of the world’s most influential scientific journals, has detected a decline in the amount of dissolved oxygen in oceans around the world — a long-predicted result of climate change that could have severe consequences for marine organisms if it continue
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At least one person has died, 10 were injured and several are still missing after severe flooding hit Saudi Arabia's Asir region on Wednesday, February 15, 2017. Parts of the region received 3 months worth of rain in just 24 hours.
