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Tuesday, October 26, 2010

Space tourism to accelerate climate change : Nature News

Space tourism to accelerate climate change : Nature News

Virgin Galactic VMSVirgin Galactic are one of many companies pushing forward with commercial spaceflight — but at what cost to the environment?Photo: Mike Mills

Climate change caused by black carbon, also known as soot, emitted during a decade of commercial space flight would be comparable to that from current global aviation, researchers estimate.

The findings, reported in a paper in press inGeophysical Research Letters1, suggest that emissions from 1,000 private rocket launches a year would persist high in the stratosphere, potentially altering global atmospheric circulation and distributions of ozone. The simulations show that the changes to Earth's climate could increase pola

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