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gregz gregz is offline
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Default Painting roofs white can actually help lower the temperature of a city

Metspitzer wrote:
The idea of painting roads and rooftops white in order to combat
carbon emissions has been around for years. It is surprisingly simple
and effective and yet has not been implemented much.

A



It's easy to compute what's hot and what's not, and how much can be gained.
Just take a look at the Landsat images from space. They started taking
image scans of the earth in the mid 70's, with the multi spectrum image
scanner. IR temperature of the ground is easy to detect. I think it
actually used a rotating mirror to scan as the satellite moved over a
hundred miles high looking at earth. Was first called ERTS satellite.
environmental resource and technology satellite.

Greg