Feb 18, 2009 | 7
The undisturbed tropical forests of Africa—like the rainforest in Congo—remove 1.2 billion metric tons of carbon dioxide from the atmosphere every year. For the last few decades, that rate of removal has increased by 0.6 metric tons per hectare per year—simply because the trees are getting bigger and bigger in size, according to an analysis published in Nature today.
That's good news for those who are looking for ways to sequester carbon, which many say is necessary to curb global warming. "We are receiving a free subsidy from nature," said study co-author Simon Lewis of the University of Leeds, in a statement. He and his co-authors measured the girths of tropical trees in Africa—and hence CO2 absorption.
Aug 25, 2008 | 3
By picking Joe Biden as a running mate, Barack Obama may have reassured the electorate about his lack of experience and foreign policy bona fides, according to some pundits. But the coal-state senator may have also taken a step toward shoring up his enviro cred.
The Delaware senator is as serious as a heart attack about energy policy—a point The Wall Street Journal's Jeffrey Ball made this weekend.
Biden has been harping on the need for a new energy initiatives for years. When he sat on a Real Time with Bill Maher panel in the spring of 2006, he called 9/11 a "squandered opportunity" for enacting new socialized energy programs. The American public at that point, he claims, was uniquely united in acting for the greater public good.
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Conventional washing machines cause excessive damage and wrinkling to clothes primarily during the water removal step. With the introduc
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