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Can dust in the stratosphere save the planet?

09/16/2019 - 09:00

Dear EarthTalk: Is the plan to sprinkle dust in the stratosphere to reflect some of the sun’s rays away from Earth to prevent global warming science or science fiction?
Hubble telescope: Water vapor on distant planet

09/12/2019 - 08:20
We keep waiting for scientists to say they have found an exoplanet with water -- just like Earth. And now, it seems, researchers may have found the next best thing: One of numerous Earthlike planets identified by NASA telescopes has signatures of water vapor in its atmosphere.
Is anyone making greener school buses?

09/09/2019 - 08:53

Dear EarthTalk: I’ve heard that school buses cause a lot of pollution, especially for the kids riding inside. Is anyone making greener school buses yet?
Labor Day: Union membership in decline

08/30/2019 - 09:41
Labor Day is a beloved holiday, even if labor unions have lost power in American life.

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