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What A Week It Was: Apocadocuments from
View By Scenario:
Species Collapse:(7)
Plague/Virus:(4)
Climate Chaos:(9)
Resource Depletion: (3)
Biology Breach:(9)
Recovery:(10)
This Week's Top Ten Very Scary Tags:
water issues  ~ anthropogenic change  ~ contamination  ~ ecosystem interrelationships  ~ global warming  ~ stupid humans  ~ smart policy  ~ pandemic  ~ technical cleverness  ~ hunting to extinction  ~ soil issues  



ApocaDocuments (5) matching "anthropogenic change" from this week
[see full week] ~ [see all stories tagged "anthropogenic change"]
Sun, Jan 25, 2009
from London Guardian:
Living on thin ice
...Based on occasional submarine journeys and more recently satellite data, charts of the total area of Arctic sea ice have shown a gradual decline over the past 40 years. Then, in 2007, the line on the chart appeared to drop off a cliff, plunging below 5,000,000 sq km a full three decades ahead of forecasts. The dramatic events of two summers ago, when a Russian submarine rushed to plant a flag under the pole and Canadian and European governments tersely laid rival claims to sovereignty, led many scientists to warn that the Arctic sea ice could disappear entirely during the summer months much sooner than had been feared. Most experts agree on the impact this will have on 5m Arctic inhabitants and the rest of the world - from the loss of the unique habitat that exists under the ice to rising global sea levels and possible changes to the ocean circulation and the weather patterns of the whole planet. Yet forecasts for when this will happen range from just four years to the end of the century. The reason is that very little is understood about the depth and density of the sea ice, and therefore the total volume of water frozen at the top of the world. This is what Hadow's Catlin Arctic Survey - appropriately sponsored by an insurance company - hopes to put right by providing the much-needed data about how much ice is left, and so help work out how much time we have to prepare for what is probably the most immediate, truly global threat of climate change. ...


Of all the climate tipping points, the Arctic melt may be the tippiest point of all.

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Fri, Jan 23, 2009
from Mongabay:
97 percent of climatologists say global warming is occurring and caused by humans
The survey, conducted among researchers listed in the American Geological Institute's Directory of Geoscience Departments, "found that climatologists who are active in research showed the strongest consensus on the causes of global warming, with 97 percent agreeing humans play a role". The biggest doubters were petroleum geologists (47 percent) and meteorologists (64 percent). A recent poll suggests that 58 percent of Americans believe that human activity contributes to climate change.... "So I guess the take-home message is, the more you know about the field of climate science, the more you're likely to believe in global warming and humankind's contribution to it." ...


Hey, the jury's still out until the fat canary stops singing!

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Fri, Jan 23, 2009
from Toronto Globe and Mail:
Seasons come and go ... and they're doing so nearly two days earlier than they used to
In the depths of winter, it may provide some comfort to think that summer will be here earlier than usual. But so will next winter. In fact, the arrivals of all seasons have been sped up by nearly two days, according to new research, part of a worldwide trend that scientists say is tied to climate change. Not only are temperatures rising, but the hottest and coldest days of the year are falling ever earlier in the calendar, a trend that accelerates from the late 1970s onward. The research, conducted by scientists from the University of California at Berkeley and Harvard University, is published in the latest edition of the scientific journal Nature. ...


Next year, I will read this story two days earlier!

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Wed, Jan 21, 2009
from CNN:
Surveyed scientists agree global warming is real
Human-induced global warming is real, according to a recent U.S. survey based on the opinions of 3,146 scientists... Two questions were key: Have mean global temperatures risen compared to pre-1800s levels, and has human activity been a significant factor in changing mean global temperatures? About 90 percent of the scientists agreed with the first question and 82 percent the second. The strongest consensus on the causes of global warming came from climatologists who are active in climate research, with 97 percent agreeing humans play a role. Petroleum geologists and meteorologists were among the biggest doubters, with only 47 percent and 64 percent, respectively, believing in human involvement...."The debate on the authenticity of global warming and the role played by human activity is largely nonexistent among those who understand the nuances and scientific basis of long-term climate processes," said [one of the study's authors]. ...


Sounds like folks believe whatever provides them the best job security!

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Mon, Jan 19, 2009
from Associated Press:
Palm oil frenzy threatens to wipe out orangutans
...the red apes ... in Indonesia are on the verge of extinction because forests are being clear-cut and burned to make way for lucrative palm oil plantations... The demand for palm oil is rising in the U.S. and Europe because it is touted as a "clean" alternative to fuel. Indonesia is the world’s top producer of palm oil, and prices have jumped by almost 70 percent in the last year. But palm oil plantations devastate the forest and create a monoculture on the land, in which orangutans cannot survive.... There are only an estimated 50,000 to 60,000 orangutans left in the wild, 90 percent of them in Indonesia, said Serge Wich, a scientist at the Great Ape Trust of Iowa. Most live in small, scattered populations that cannot take the onslaught on the forests much longer. ...


Sounds like the ORANGutans are on RED alert!

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