Articles with the keyword: 
Bad Sign for Global Warming: Thawing Permafrost Holds Vast Carbon Pool
sea-maid submitted, created time 2 months 2 weeks (www.sciencedaily.com)
Permafrost blanketing the northern hemisphere contains more than twice the amount of carbon in the atmosphere, making it a potentially mammoth contributor to global climate change depending on how quickly it thaws. 
Scientists: More Hurricanes to Come
sea-maid submitted, created time 2 months 2 weeks (www.time.com)
The tropics seem to be going crazy what with the remnants of Gustav, the new threat from Hanna, a strengthening Ike and newcomer Josephine. Get used to it.
Climate change means more than mild winters: storms wreak extra havoc
Darkfrog submitted, created time 2 months 2 weeks (www.nature.com)
According to Nature, the maximum speeds of hurricanes and other intense storms have increased since 1981.
While atmospheric models have long suggested that an overall increase in planetary temperature will also increase the intensity of storms, it has also been argued that other results of increasing temperature, such as increased shearing winds, would cancel out or interfere with these other effects.
Climatologists at the University of Florida, however, have found that recent storms have been able to overcome the effects of shearing winds
Air pollution can affect weekend weather
Darkfrog submitted, created time 3 months 1 week (www.nature.com)
The only thing that separates a Thursday from a Sunday is human convention ...and now the weather. According to this article, human behaviors such as driving cars can affect the weather. We already knew that, right? Well the cool part is that behaviors that depend on the type of day--say, the weekday rush hour--can cause the weather to differ depending on whether it's a working day or a weekend by affecting the number of condensation nuclei in the air.
The effects differ by region and season. Spain has been getting sunnier winter weekends and colder and wetter summer weekends
sumsung submitted, created time 8 months 4 hours (www.nature.com)
If our planet were perfectly flat and its water covered all the surface, it would create a layer 2.7 kilometers deep. While this seems like a lot, less than 3% of that is freshwater. Of that, nearly 70% is in ice caps, glaciers, and permanent snow, and 30% sits in ground water. Rivers, lakes, and clouds carry less than 1% of the world's freshwater.
davidd submitted, created time 8 months 2 days (www.nature.com)
Farmers' yields in the developing world are often limited by unreliable rains. Improving their harvests will require plant breeders, agronomists and geneticists to pull together — but can these experts work out their differences?
All we are is dust in the wind and what we are is COLD!
Darkfrog submitted, created time 8 months 1 week (www.nature.com)
I love finding these matchups between different disciplines
For years, historical records and tree rings have supported the idea of lower temperatures during different points in history. In particular, a period shortly after the fall of the Roman Empire shows crop failures and other climate-related problems. Now scientists have figured out just what made the dark ages so dark: a volcano. They just don't know where.
Sue Wu submitted, created time 8 months 2 weeks (www.reuters.com)
Influenza viruses coat themselves in fatty material that hardens and protects them in colder temperatures -- a finding that could explain why winter is the flu season, U.S. researchers reported on Sunday.
Sue Wu submitted, created time 8 months 2 weeks (www.sciam.com)
Scientists discover microbes in snows sampled from different parts of the world--and show how microorganisms might be the catalyst.
"Rain-making" bacteria found around the world
sumsung submitted, created time 8 months 3 weeks (www.nature.com)
The same bacteria that cause frost damage on plants can help clouds to produce rain and snow. Studies on freshly fallen snow suggest that "bio-precipitation" might be much more common than had been suspected.
jane2007 submitted, created time 8 months 4 weeks (sciencenow.sciencemag.org)
A new study shows that spraying millions of metric tons of sulfate particles into the atmosphere could reverse some human-caused global warming, but the models also suggest that the scheme could go too far: Adding excess sulfur could increase ice in Antarctica, overcompensating for warming.
Ocean Impact Map Reveals Human Reach Global
sumsung submitted, created time 9 months 5 days (www.sciam.com)
Fishing, fertilizer runoff, pollution, shipping, climate change—these are just a few of the ways that human activities influence the oceans that cover 70 percent of Earth's surface. And in all that vastness—139 million square miles (360 million square kilometers)—less than 4 percent remains unaffected, and more than a third has suffered serious human impacts, according to a new map published in Science.
Africa and Asia face severe crop losses from climate change within 20 years
jane2007 submitted, created time 9 months 2 weeks (news-service.stanford.edu)
Agriculture is the human enterprise most vulnerable to changes in climate. According to a new study : many of the world's poorest regions could face severe crop losses in the next two decades because of climate change,
Does it rain less on the weekend?
snoopy submitted, created time 11 months 1 week (www.nature.com)
Do you think it rain less on the weekend? The theory that the artificial rhythm of the working week has an effect on the weather might sound strange, but there's a sensible explanation. Higher industrial activity on weekdays generates more airborne pollution particles, which can seed raindrop formation in the atmosphere.
Ari Laaksonen and David Schultz of the Finnish Meteorological Institute in Helsinki find that there has been no "wettest day of the week," either locally or nationally, during all that time
Evolution in the hypervariable environment of Madagascar
jiangyun submitted, created time 1 year 2 months (www.pnas.org)
We show that the diverse ecoregions of Madagascar share one distinctive climatic feature: unpredictable intra- or interannual precipitation compared with other regions with comparable rainfall. Climatic unpredictability is associated with unpredictable patterns of fruiting and flowering. It is argued that these features have shaped the evolution of distinctive characteristics in the mammalian fauna of the island
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