The shield of Ra: Could solar reflection save the planet?
http://www.cnn.com/2007/TECH/science/07/24/solar.shield/index.html#cnnSTCText
(CNN) -- Another day, another apocalyptic global warming prediction.
Some scientists believe that solar reflection could, as a last resort, help limit the damaging effects of global warming.
In a persuasively argued paper, published recently in the weighty scientific journal Philosophical Transactions of the Royal Society, six of the leading climatologists in the U.S. have warned that the future of human civilization itself is being imperiled by accelerating climate change.
"Recent greenhouse gas emissions place the Earth perilously close to dramatic climate change that could run out of control, with great dangers for humans and other creatures" warns the article.
Such dire predictions have been appearing with ever-increasing frequency over the past two decades, and have given ever-increasing impetus to efforts to slow down and reverse global warming.
Most of those efforts have, inevitably, focused on ways of limiting and reducing the causative greenhouse gas emissions.
At the same time, as the scale of the problem has become ever more apparent, so ever more elaborate technological solutions have been put forward to try to tackle the problem of a warming Earth.
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