radiative cooling

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white paint cools roofs

To ease global warming, the whitest of paints

Scientists at Purdue have created a white paint that, when applied, can reduce the surface temperature on a roof and cool the building beneath it.
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Bringing the chill of the cosmos to a warming planet
www.washingtonpost.com

Bringing the chill of the cosmos to a warming planet

Scientists are tapping into a law of physics to create cooling systems that work without special fuel or electricity.
What if space could cool the Earth?
www.washingtonpost.com

What if space could cool the Earth?

New technologies may allow us to use the atmosphere itself to vent excess heat from Earth directly into space.
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