Posts Tagged ‘climate change’
Earth & Environment - Dec 1, 2011 11:38 - 2 Comments
Climate shifts spell trouble for walnut trees
PURDUE (US) — Warmer, drier summers and extreme weather events considered possible as the climate changes would be especially troublesome—possibly fatal—for walnut trees, according to new research. (more…)
Earth & Environment - Nov 23, 2011 12:40 - 0 Comments
Deforestation’s effects? Location, location
UC DAVIS (US) — The impact of deforestation on global warming varies with latitude, a finding that calls for revised climate-monitoring strategies, a new study shows. (more…)
Earth & Environment - Nov 17, 2011 21:46 - 3 Comments
Day-to-day weather more erratic, extreme
PRINCETON (US) — The first climate study to focus on variations in daily weather conditions finds increasing extremes, with fluctuations in sunshine and rainfall affecting more than a third of the planet. (more…)
Earth & Environment - Nov 17, 2011 10:43 - 1 Comment
Polluted air makes droughts, floods worse
U. MARYLAND (US) — Rising air pollution can strongly affect cloud formation in a way that can make floods and droughts even worse, a new study finds. (more…)
Science & Technology - Nov 15, 2011 10:55 - 1 Comment
Alaskan dig turns up ancient ‘buckle’
U. COLORADO-BOULDER (US) — A small prehistoric buckle-like object that likely originated in East Asia has been found in an ancient Eskimo dwelling in Alaska. (more…)
Earth & Environment - Nov 10, 2011 15:46 - 0 Comments
Methane likely fueled Earth’s big warm-up
RICE (US) — New calculations suggest the release of massive amounts of carbon from methane hydrate frozen under the seafloor 56 million years ago likely led to a major climate shift on Earth. (more…)
Science & Technology - Nov 7, 2011 11:16 - 1 Comment
No single cause for Ice Age extinctions
TEXAS A&M (US) —Neither climate change nor humans alone can account for the Ice Age mass extinctions, according to a new international study. (more…)
Earth & Environment - Nov 1, 2011 12:04 - 1 Comment
Trees lag behind climate change
DUKE (US) — More than half of eastern US tree species examined in a massive new study aren’t adapting to climate change as quickly or consistently as predicted. (more…)
Earth & Environment - Oct 24, 2011 10:02 - 3 Comments
No real warming from urban ‘heat island’
STANFORD (US) — The urban ‘heat island’ effect contributes less than 5 percent to overall global warming, far less than greenhouse gas or black carbon, new research shows. (more…)
Earth & Environment - Oct 11, 2011 12:12 - 0 Comments
How plants roll with climate’s punches
BROWN (US) — The genetic flexibility of some plants to respond to climate change may be what gives them their best chance of survival. (more…)
Earth & Environment - Oct 5, 2011 10:00 - 0 Comments
Climate could send animals packing
BROWN (US) — Which animals survive as climate changes may depend on their the ability to adapt to rapid temperature shifts and less-than-optimal conditions as they expand their range. (more…)
Earth & Environment - Oct 4, 2011 10:42 - 0 Comments
Autumn predicts fate of summer sea ice
U. WASHINGTON (US) — Relatively accurate predictions for the extent of Arctic sea ice in a given summer can be made by assessing conditions the previous autumn—but only to a point. (more…)
Earth & Environment - Sep 30, 2011 13:48 - 0 Comments
Rock nitrogen helps trees soak up CO2
UC DAVIS (US) — Forest trees have the ability to tap into nitrogen found in rocks, boosting the trees’ growth and their ability to pull more carbon dioxide from the atmosphere.
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Earth & Environment - Sep 19, 2011 11:51 - 1 Comment
Downward slide for arctic sea ice
U. COLORADO-BOULDER (US) — The blanket of sea ice that floats on the Arctic Ocean appears to have reached its lowest extent for 2011, the second lowest recorded since satellites began measuring it in 1979. (more…)
Earth & Environment - Sep 15, 2011 11:15 - 5 Comments
Don’t blame clouds for climate change
TEXAS A&M (US) — Clouds are not the root cause of climate change, but only amplify global warming brought on by human activity, according to a new study. (more…)
Earth & Environment - Sep 12, 2011 16:29 - 1 Comment
Ice cores: 800,000 years of climate change
CARDIFF U. (UK) — Drill cores taken from Greenland’s vast ice sheets offer the first clue that Earth’s climate is capable of very rapid transitions. (more…)
Earth & Environment - Sep 2, 2011 12:51 - 1 Comment
Threatened pikas hang on in the Rockies
U. COLORADO (US) — American pikas, whose numbers have been on the decline, are holding their own in the Southern Rocky Mountains, a new survey finds. (more…)
Earth & Environment - Aug 23, 2011 10:34 - 1 Comment
Polar sea ice: Down but not out
U. WASHINGTON (US) — Polar sea ice can recover from even the harshest period of climate-induced melting as long as the planet cools again, according to a new study. (more…)
