Tree ring study links warming to drought
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TUCSON - A new study shows a possible connection between a past climate warming and drought in what is now the US West. The width of tree rings over the past 1,200 years show that western &quot;megadroughts&quot; between
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The Arctic is under increasing stress from warming temperatures as shrubs colonize the tundra, changing wildlife habitat and local climate conditions, researchers said Wednesday.
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Higher temperatures, rapid precipitation shifts, and accelerated blooming and breeding patterns are changing the Southwest.
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Two new studies say record wildfire seasons like this year's may become the norm in the western United States as global temperatures continue to climb.
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Some suspects in the aspenÂs rapid decline include drought, insects and even the lack of fires.
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Blog: Some wet areas of earth will get wetter with climate change.
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Did global warming spur severe drought in the Western United States? A new study co-authored by a tree-ring researcher at the University of Arizona shows a possible connection.
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Snowpack decline in Western mountains is caused primarily by global warming, researchers report.
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The notion that forests are declining across the tropics is not proven, a study argues, because data is unclear.
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SPRING TORRENTS: In one of the most comprehensive studies of plants&#39; response to the global warming trend, Cornell scientists and their colleagues at the University of Wisconsin concluded
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A decade of satellite surveys of the oceans has revealed that warmer years cause a decline in phytoplankton, the vast clouds of tiny drifting plants that are a fundamental component of marine life.
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A prime piece of evidence linking human activity to climate change turns out to be an artifact of poor mathematics.
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By Patrick O'Driscoll  DENVER -- The fast-growing states of the arid Southwest must plan for more severe droughts because of a regional warming trend that shows no signs of dissipating, says a new assessment of the Colorado River's water supply.
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Human-induced climate change has affected global rainfall patterns over the 20th Century, a study suggests.
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While the south-east of Australia has gone through years of drought, new research shows the rest of the country including the centre, is getting wetter.
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The low snowpack in the Cascade Range is raising the specter of water shortages this summer, but a new study of tree-ring data indicates the Northwest has endured far worse droughts over the past 250 years &#151; and is likely to again.
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Climate change could mean higher temperatures, less winter precipitation and less spring runoff for the Southwest, a climatologist says.