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What A Week It Was: Apocadocuments from
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ApocaDocuments (4) matching "carbon emissions" from this week
[see full week] ~ [see all stories tagged "carbon emissions"]
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Sat, Jun 19, 2010
from University of Tennessee, via EurekAlert:
Scientist links increase in greenhouse gases to changes in ocean currents
By examining 800,000-year-old polar ice, scientists increasingly are learning how the climate has changed since the last ice melt and that carbon dioxide has become more abundant in the Earth's atmosphere.
For two decades, French scientist Jérôme Chappellaz has been examining ice cores collected from deep inside the polar ice caps of Greenland and Antarctica. His studies on the interconnecting air spaces of old snow -- or firn air -- in the ice cores show that the roughly 40 percent increase of carbon dioxide in the atmosphere since the Earth's last deglaciation can be attributed in large part to changes in the circulation and biological activity of the oceanic waters surrounding Antarctica.... ...
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Sweet! That means it's in large part not our fault, right?
ApocaDoc
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Fri, Jun 18, 2010
from CanWest News Service:
Carbon emissions having harmful, lasting impact on oceans: Reports
The oil spill in the Gulf of Mexico is a disaster, but it may pale compared to what scientists say is brewing in the world's oceans due to everyday consumption of fossil fuels.
The billions of tonnes of carbon dioxide sent wafting into the atmosphere each year through the burning of oil, gas and coal are profoundly affecting the oceans, says a series of reports published Friday in the journal Science... Marine scientists Ove Hoegh-Guldberg, at the University of Queensland in Australia, and John Bruno, at University of North Carolina, describe how the oceans act as a "heat sink" and are slowly heating up along with the atmosphere as greenhouse gas emissions climb.
The warming, they say, is "likely to have profound influences on the strength, direction and behaviour" of major ocean currents and far-reaching impacts on sea life.
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The surf is up a creek with a dissolving paddle.
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Mon, Jun 14, 2010
from National Geographic News:
Ecuador Puts a Price Tag on Untapped Oil
In the coming weeks, Ecuador aims to sign a unique agreement to forgo drilling for oil in a huge plot of this rain forest in exchange for money. The idea is that contributions from industrialized nations and, potentially, from corporations would make up for the badly needed petroleum revenue that the South American nation would lose by keeping the fossil fuel underground....If it comes together, some hope that the so-called YasunÃ-ITT Initiative -- named for the area's Ishpingo, Tiputini, and Tambococha oil fields --could be a model for combating global warming. ...
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And they can pay me to cheer about it!
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Mon, Jun 14, 2010
from New York Times:
Twilight of the Coal Era?
On Monday, Siemens is announcing [pdf] that it has won contracts to supply five new high-efficiency gas plants to Progress Energy at two sites in North Carolina that have old coal-fired generators.
The H.F. Lee Energy Complex, near Goldsboro, has three coal-fired generators that began operating in 1951, 1952 and 1962. The three coal-fired generators at the Sutton plant, near Wilmington, went into service in 1954, 1955 and 1972.
The six plants are among 11 that Progress owns in North Carolina that do not have sulfur scrubbers. The company has said it will eventually close all 11.
"I think they came to the conclusion with all the uncertainty, and the likelihood that the rules for pollutants like mercury, sulfur dioxide and nitrogen oxides will be further tightened, it's not worth spending hundreds of millions of dollars on the back end" of an old power plant, Mr. Zwirn said. What is more, he said, in the decades that a new plant would run, there is a possibility that restrictions will be imposed on carbon dioxide emissions. Per kilowatt-hour generated, the new gas-fired generators will reduce carbon dioxide emissions by 60 percent and nitrogen oxides by 95 percent from levels produced by their coal-fired predecessors. Nearly 100 percent of sulfur dioxides will be eliminated, and all of the mercury, Siemens said. ...
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Don't forget that Twilight is a story about undead vampires.
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