ApocaDocuments (6) matching "holyshit" from this week
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Sun, Mar 8, 2009
from London Guardian:
Scientists to issue stark warning over dramatic new sea level figures
Scientists will warn this week that rising sea levels, triggered by global warming, pose a far greater danger to the planet than previously estimated. There is now a major risk that many coastal areas around the world will be inundated by the end of the century because Antarctic and Greenland ice sheets are melting faster than previously estimated.
Low-lying areas including Bangladesh, Florida, the Maldives and the Netherlands face catastrophic flooding, while, in Britain, large areas of the Norfolk Broads and the Thames estuary are likely to disappear by 2100. In addition, cities including London, Hull and Portsmouth will need new flood defences. ...
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Our cup... runneth o'er.
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Sun, Mar 8, 2009
from Telegraph.co.uk:
The toxic sea: the other CO2 problem
They are calling it "the other CO2 problem". Its victim is not the polar bear spectacularly marooned on a melting ice floe, or an eagle driven out of its range, nor even a French pensioner dying of heatstroke. What we have to mourn are tiny marine organisms dissolving in acidified water.
In fact we need to do rather more than just mourn them. We need to dive in and save them. Suffering plankton may not have quite the same cachet as a 700-kilo seal-eating mammal, but their message is no less apocalyptic. What they tell us is that the chemistry of the oceans is changing, and that, unless we act decisively, the limitless abundance of the sea within a very few decades will degrade into a useless tidal desert. ... On average, each person on Earth contributes a tonne of carbon to the oceans every year. The result is a rapid rise in acidity -- or a reduction in pH, as the scientists prefer to express it -- which, as it intensifies, will mean that marine animals will be unable to grow shells, and that many sea plants will not survive. With these crucial links removed, and the ecological balance fatally disrupted, death could flow all the way up the food chain, through tuna and cod to marine mammals and Homo sapiens. As more than half the world's population depends on food from the sea for its survival, this is no exaggeration. ...
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It's just a little evolutionary pressure. Come on, species, get with it!
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Fri, Mar 6, 2009
from London Independent:
Revenge of the rainforest
It covers an area 25 times bigger than Britain, is home to a bewildering concentration of flora and fauna and is often described as the "lungs of the world" for its ability to absorb vast amounts of carbon dioxide through its immense photosynthetic network of trees and leaves. The Amazon rainforest is one of the biggest and most important living stores of carbon on the planet through its ability to convert atmospheric carbon dioxide into solid carbon, kept locked in the trunks of rainforest trees for centuries.
But this massive natural "sink" for carbon cannot be relied on to continue absorbing carbon dioxide in perpetuity, a study shows. Researchers have found that, for a period in 2005, the Amazon rainforest actually slipped into reverse gear and started to emit more carbon than it absorbed.
Four years ago, a sudden and intense drought in the Amazonian dry season created the sort of conditions that give climate scientists nightmares. Instead of being a net absorber of about two billion tons of carbon dioxide, the forest became a net producer of the greenhouse gas, to the tune of about three billion tons.
The additional quantity of carbon dioxide left in the atmosphere after the drought - some five billion tons - exceeded the annual man-made emissions of Europe and Japan combined. What happened in the dry season of 2005 was a stark reminder of how quickly the factors affecting global warming can change. ...
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So the Rainforest... is a Drainforest!
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Thu, Mar 5, 2009
from Reuters:
Arctic summer ice could vanish by 2013: expert
The Arctic is warming up so quickly that the region's sea ice cover in summer could vanish as early as 2013, decades earlier than some had predicted, a leading polar expert said on Thursday.
Warwick Vincent, director of the Center for Northern Studies at Laval University in Quebec, said recent data on the ice cover "appear to be tracking the most pessimistic of the models", which call for an ice free summer in 2013.
The year "2013 is starting to look as though it is a lot more reasonable as a prediction. But each year we've been wrong -- each year we're finding that it's a little bit faster than expected," he told Reuters.
The Arctic is warming at twice the rate of the rest of the world and the sea ice cover shrank to a record low in 2007 before growing slightly in 2008.
In 2004 a major international panel forecast the cover could vanish by 2100. Last December, some experts said the summer ice could go in the next 10 or 20 years. ...
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That's four years of bliss!
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Tue, Mar 3, 2009
from Associated Press:
Study: Combining pesticides makes them more deadly for fish
Common agricultural pesticides that attack the nervous systems of salmon can turn more deadly when they combine with other pesticides, researchers have found.
Scientists from the NOAA Fisheries Service and Washington State University were expecting that the harmful effects would add up as they accumulated in the water. They were surprised to find a deadly synergy occurred with some combinations, which made the mix more harmful and at lower levels of exposure than the sum of the parts.
The study looked at five common pesticides: diazinon, malathion, chlorpyrifos, carbaryl and carbofuran, all of which suppress an enzyme necessary for nerves to function properly.
The findings suggest that the current practice of testing pesticides - one at a time to see how much is needed to kill a fish - fails to show the true risks, especially for fish protected by the Endangered Species Act, the authors concluded in the study published Monday in the journal Environmental Health Perspectives. ...
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Like I'm supposed to be soooo surprised by "a deadly synergy"?
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Mon, Mar 2, 2009
from The Canadian Press:
Large fish going hungry as supplies of smaller species dwindle: report
HALIFAX, N.S. -- Dolphins, sharks and other large marine species around the world are going hungry as they seek out dwindling supplies of the small, overlooked species they feed on, according to a new study that says overfishing is draining their food sources.
In a report released Monday, scientists with the international conservation group Oceana said they found several species were emaciated, reproducing slowly and declining in numbers in part because their food sources are being fished out.
"This is the first time that we're seeing a worldwide trend that more and more large animals are going hungry," Margot Stiles, a marine biologist at Oceana and the author of the report, said from Washington, D.C.
"It's definitely starting to be a pattern." ...
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And humans can be so good at reproducing patterns.
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