ApocaDocuments (7) matching "global warming" from this week
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Sun, Jan 18, 2009
from Canwest News Service:
Climate warming 'highly unusual' says new study
A major U.S. government report on Arctic climate, prepared with information from eight Canadian scientists, has concluded that the recent rapid warming of polar temperatures and shrinking of multi-year Arctic sea ice are "highly unusual compared to events from previous thousands of years."
The findings, released Friday, counter suggestions from skeptics that such recent events as the opening of the Northwest Passage and collapse of ice shelves in the Canadian Arctic are predictable phenomena that can be explained as part of a natural climate cycle rather than being driven by elevated carbon emissions from human activity.
A summary of the report -- described as "the first comprehensive analysis of the real data we have on past climate conditions in the Arctic," by U.S. Geological Survey director Mark Myers -- warns that "sustained warming of at least a few degrees" is probably enough "to cause the nearly complete, eventual disappearance of the Greenland ice sheet, which would raise sea level by several metres." ...
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The CO2 emissions from skeptics straining to explain away global warming just went up a couple ppm.
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Sat, Jan 17, 2009
from University of Bristol via ScienceDaily:
Cooling The Planet By Growing The Right Crops
By carefully selecting which varieties of food crops to cultivate, much of Europe and North America could be cooled by up to 1°C during the summer growing season, say researchers from the University of Bristol, UK. This is equivalent to an annual global cooling of over 0.1°C, almost 20 percent of the total global temperature increase since the Industrial Revolution. The growing of crops already produces a cooling of the climate because they reflect more sunlight back into space, compared with natural vegetation. Different varieties of the same crop vary significantly in their solar reflectivity (called 'albedo'), so selecting varieties that are more reflective will enhance this cooling effect. Since arable agriculture is a global industry, such cooling could be extensive. ...
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How 'bout growing more hemp!
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Sat, Jan 17, 2009
from Wilmington News Journal:
Report warns of impact on coast from warming
More storm-related flooding, shoreline erosion, habitat loss and saltwater intrusion into potential drinking water supplies are expected in Delaware and other Mid-Atlantic states as the climate warms, according to a report issued Friday by the Environmental Protection Agency. Delaware officials said they plan to use the federal report as a stepping-off point to plan for adaptation as the sea level continues to rise.
Most troubling for Dave Carter, program manager for Delaware Coastal Programs, is that sea-level rise, combined with a settling of land, already is causing problems in some low-lying areas along Delaware Bay. "These are the early signals," he said.
Comparing the state's new elevation data with Federal Emergency Management Flood Plan Maps for some areas in Delaware shows places where potential evacuation routes -- especially along Delaware Bay -- will be flooded "long before residents realize their lives are in danger," he said. ...
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I've GOT to start investing in the floaties manufacturing industry!
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Sat, Jan 17, 2009
from Reuters:
Tibetan glacial shrink to cut water supply by 2050
Nearly 2 billion people in Asia, from coastal city dwellers to yak-herding nomads, will begin suffering water shortages in coming decades as global warming shrinks glaciers on the Tibetan Plateau, experts said.
The plateau has more than 45,000 glaciers that build up during the snowy season and then drain to the major rivers in Asia, including the Yangtze, Yellow, Brahmanputra and Mekong.
Temperatures in the plateau, which some scientists call the "Third Pole" for its massive glacial ice sheets, are rising twice as fast as other parts of the world, said Lonnie Thompson, a glaciologist at Ohio State University, who has collected ice cores from glaciers around the world for decades.
As glaciers melt at faster rates from the higher temperatures, a false sense of security about water supplies has developed across Asia, Thompson said on Friday.
If melting continues at current levels, two-thirds of the plateau's glaciers will likely be gone by 2050, he said at a meeting on climate change at the Asia Society in Manhattan.
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The Third Pole is trying awful hard to be Number One.
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Tue, Jan 13, 2009
from Bloomberg News:
Food Production Chaos Looms in Africa as Soil Quality Worsens
African farmers and climate change are combining to damage soil at a rate that may plunge the continent, home to about 1 billion people, into chaos as food production declines.
“The situation is very severe and soil fertility is declining rapidly,” Jeroen Huising, a scientist who studies soils at the International Center for Tropical Agriculture, or CIAT, said today in an interview. “Many countries like Kenya already don’t have enough food to feed their population and soil degradation is worsening an already critical situation.”
Africa, where half the agricultural soil has lost nutrients necessary to grow plants, is hampered by a lack of information about soil conditions, Huising said. About 236 million people in sub-Saharan Africa, or one in three there, are chronically hungry, according to the United Nations Food and Agriculture Organization. ...
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Meanwhile, in America, I can't even finish my portion.
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Mon, Jan 12, 2009
from Ayn Rand Center:
Pain of Recession Foretells Agony of Green Economy
Washington, D.C.--For the first time in 25 years, global demand for oil is expected to decline two years in a row. The decline is an effect of the global economic recession, which has dramatically reduced production and trade worldwide.
“This recession, with all its grim news of job loss and economic hardship, should be seen as a cautionary tale against coercive energy and climate policies,” said Keith Lockitch, fellow of the Ayn Rand Center for Individual Rights.
“Energy is the motive power that fuels production and trade. When economic activity slows, so does energy demand. But it goes the other way too. Imposing restrictions on the use of energy--as would occur under a system of carbon regulation--would choke off the economy’s fuel and shut down productive activity. The economic pain we’re all feeling in this recession is nothing compared to the pain we would feel if we adopt green policies that cut off fossil fuel consumption ...
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All we 'Docs can do is shrug at this fountainhead of stupidity.
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Mon, Jan 12, 2009
from Bloomberg News:
Greenland's Rapid Glacier Retreat May Stall, Scientists Say
The rapid shrinking of glaciers in Greenland during recent years may stall, diminishing the Arctic island's potential contribution to rising sea levels blamed on global warming, a U.K.-led research team found.
The study in the journal Nature Geoscience indicates the faster-than-normal ice loss observed in many of Greenland's glaciers in the early 2000s won't be sustained, said Andreas Vieli, a glaciologist at Durham University in northern England... While the researchers studied one glacier, they said their findings apply to glaciers in similar terrain that are grounded at their snout in a trough reaching below sea-level. ...
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Seen one glacier ... seen 'em all.
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