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Fix For Global Warming? Scientists Propose Covering Deserts With Reflective Sheeting
Posted By admin On December 26, 2008 @ 6:41 am In Sci Tech | Comments Disabled
Friday, Dec 26, 2008
A radical plan to curb global warming and so reverse the climate change caused by our rampant burning of fossil fuels since the industrial revolution would involve covering parts of the world’s deserts with reflective sheeting, according to researchers writing in the International Journal of Global Environmental Issues.
Engineers Takayuki Toyama of company Avix Inc in Kanagawa, Japan, and Alan Stainer of Middlesex University Business School, London, UK, complain that there have been very few innovative remedies discussed to combat the phenomenon of global warming caused by human activities, despite the widespread debate of the last few decades. They now suggest that uncompromising proposals are now needed if we are to avert ecological disaster.
Finding a way to ‘stop’, or at least minimise, global warming and to even cool the Earth can be achieved by focusing on the primary heat balance between the amount heat produced by human activities and the loss of heat to outer space. They emphasise that efforts to reduce atmospheric concentrations of greenhouse gases, primarily carbon dioxide, are not likely to work soon enough.
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Pessimism that minimising carbon dioxide will no longer solve the problem seems to be spreading among environmental specialists,” they say. As such, a lateral-thinking approach that acknowledges the fact that the heat created by human activities does not even amount to 1/10,000th of the heat that the earth receives from the sun.
Toyama and Stainer suggest that heat reflecting sheets could be used to cover arid areas and not only reflect the sun’s heat back into space by increasing the Earth’s overall reflectivity, or albedo, but also to act as an anti-desertification measure. The technology would have relatively minimal cost and lead to positive results quickly. They add that the same approach might also be used to cover areas of the oceans to increase the Earth’s total heat reflectivity.
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