Posts Tagged ‘climate’

Some chilies trade heat for hardiness

U. WASHINGTON (US) — Wild chilies that grow in wet regions turn up the heat as a defense mechanism against a fungus that if left alone could destroy their seeds. Continue…

Monday, January 16, 2012 13:10 - 0 Comments

Computer model explains Titan mystery

CALTECH (US) — A new computer model may explain the mysterious polar lakes, rainstorms, and clouds on Titan, Saturn’s largest moon. (more…)

Earth & Environment - Nov 2, 2011 10:20 - 0 Comments

Battle of the biomes: Savannas vs. forests

PRINCETON (US) —Large stretches of South American and African forest and savanna could begin to encroach on each other due to factors such as climate change and land use—much to the detriment of the people and animals that rely on them. (more…)

Science & Technology - Oct 12, 2011 15:30 - 0 Comments

Early Mars likely warm and wet

CALTECH (US) — Researchers have directly determined the surface temperature of early Mars for the first time, providing evidence that’s consistent with a warmer and wetter Martian past. (more…)

Earth & Environment - Aug 23, 2011 11:01 - 0 Comments

More wildfires likely in Patagonia

U. COLORADO-BOULDER (US) — A major climate oscillation in the Southern Hemisphere is expected to intensify in the coming decades, likely increasing wildfire activity in the southern half of South America. (more…)

Earth & Environment - Jun 8, 2011 16:57 - 0 Comments

Beetle battle triggers earlier snowmelt

U. COLORADO-BOULDER (US) — Mountain pine beetles that have already killed more than 4 million acres of trees, could do further damage by forcing earlier snowmelt and increasing water yields. (more…)

Science & Technology - Jun 2, 2011 16:21 - 0 Comments

Did cold snap send Vikings packing?

BROWN U. (US) — Why early Viking settlers left Greenland in the 14th and early 15th centuries is still a mystery, but researchers point to plunging temperatures as a possible cause. (more…)

Earth & Environment - May 27, 2011 14:14 - 0 Comments

Is extreme weather the new normal?

U. LEEDS (UK) — Swings between the two climatic extremes El Niño and La Niña appear to have occurred more frequently in the past than previously thought and may increase in regularity in the future. (more…)

Earth & Environment - May 18, 2011 11:56 - 0 Comments

Satellite tracks 25 years of giant kelp

UC SANTA BARBARA (US) — A quarter century of images are giving an unprecedented view of the ebb and flow of giant kelp forests, which can be entirely wiped out in days, but fully recover in months. (more…)

Science & Technology - May 16, 2011 10:21 - 0 Comments

200 million-year-old self-segregation

BROWN (US) — Just like buying a house today, climate and location were major factors in where animals lived 200 million years ago. (more…)

Earth & Environment - Apr 18, 2011 15:11 - 0 Comments

Wave train driving Antarctic warming

U. WASHINGTON (US) — A large wave structure in the atmosphere has been bringing steadily warmer temperatures to West Antarctica during the winter and spring for at least 30 years. (more…)

Earth & Environment - Mar 31, 2011 14:17 - 1 Comment

Warm water brings ‘brrr!’ to NYC

CALTECH (US) — Why is winter in New York City typically colder than winter in Porto, Portugal—after all, they have similar latitudes? Researchers say warm water is to blame. (more…)

Earth & Environment - Jul 6, 2010 10:19 - 20 Comments

Expertise lacking among climate skeptics?

STANFORD (US)—The small number of scientists who are unconvinced that human beings have contributed significantly to climate change have far less expertise and prominence in climate research compared with scientists who are convinced, a new study finds. (more…)

Earth & Environment - Jun 17, 2010 15:58 - 0 Comments

Flower power lets the globe chill out

U. CHICAGO (US)—The world is a cooler, wetter place because of flowering plants, according to new climate simulations. (more…)

Science & Technology - Jun 4, 2010 10:58 - 0 Comments

Early haze likely shaded Earth from UV

U. COLORADO (US)—A thick organic haze that enshrouded early Earth several billion years ago may have been similar to the haze now hovering above Saturn’s largest moon, Titan, and would have protected primordial life on the planet from the damaging effects of ultraviolet radiation. (more…)

Science & Technology - May 27, 2010 14:09 - 0 Comments

Mysteries of Martian ice cap solved

TEXAS-AUSTIN (US)—Scientists have reconstructed the formation of two curious features in the northern ice cap of Mars—a chasm larger than the Grand Canyon and a series of spiral troughs—solving a pair of mysteries dating back four decades—while also finding new evidence of climate change on Mars. (more…)

Earth & Environment - Apr 21, 2010 17:23 - 3 Comments

Global weirding: It’s getting hot in here

U. ILLINOIS (US)—Global temperatures of the last decade are higher than they have been in more than 2,000 years—and manmade emissions from heat-trapping gases are largely responsible, according to climate expert Donald Wuebbles. (more…)

Science & Technology - Mar 25, 2010 12:35 - 1 Comment

Climate mayhem let dinosaurs dominate

BROWN (US)—Widespread volcanic eruptions and a spike in atmospheric carbon dioxide wiped out dinosaurs’ biggest competitors, according to a new climate analysis, allowing dinosaurs to rule the Earth more than 200 million years ago. (more…)

Earth & Environment - Feb 26, 2010 18:13 - 1 Comment

Past cyclones predict stormy future?

YALE (US)—More frequent tropical cyclones in Earth’s ancient past contributed to persistent El Niño-like conditions, a finding that could have implications for the planet’s future as global temperatures continue to rise due to climate change. (more…)

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