Scientists have been searching for ways to curb climate change for decades. While we may not have the whole answer, these astrophysicists have presented an idea that might 'buy us time.'
Launching dust into a location in space between the earth and the sun may be able to offset effects of climate change, according to research led by the Benjamin C. Bromley and Scott J. Kenyon.
That's a small percentage, according to Kenyon, an astrophysicist at Harvard. "For perspective, the reduction in sunlight in Salt Lake City at noon from summer solstice to winter solstice is close to 50%." However, it might be enough to reduce the earth's temperature by one degree Fahrenheit. This would require a lot of dust — more than 10 billion kilograms, the study says. But this is not more than is naturally available, according to Bromley. The Kennecott copper mine produces close to that kind of output daily."You just have to basically bulldoze it, because it's just sitting on the surface of the moon. So you don't need to kind of dig it out or process it. It's already there," Bromley said.
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