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warming

stratospheric dust

EarthTalk

Could Sprinkling Dust In The Stratosphere Curb Global Warming?

Roddy Scheer and Doug Moss Bill Gates, dust, stratosphere, stratospheric dust, warming

Harvard scientists with funding from Bill Gates think that releasing dust into the stratosphere could counter global warming.

deflect-asteroids

EarthTalk

Can We Deflect Asteroids?

Roddy Scheer acid rain, asteroid, comet, deflect, deflect asteroids, greenhouse, impact winter, mudflow, NASA, ozone depletion, tsunami, warming

What can we do to save our environment and save our species in the case of an asteroid strike on Planet Earth? Can we deflect asteroids at this point?

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