Gov. Brown's tour of polluted areas in southeast LA, global sand shortage has some large-scale implications, Canoga Park tries out temperature cooling pavement
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• 6:37
Assemblywoman Christina Garcia invited Governor Brown to tour polluted neighborhoods in her district. We speak with one of the environmental activists he met with.
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• 6:56
California is getting blown away by its competitors in wind-power.
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• 5:42
We'll talk about a new method of cooling city streets with Ronnen Levinson, staff scientist with the Heat Island Group at Lawrence Berkeley National Laboratory.
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• 6:19
Sand is more precious than you might realize. It’s used for everything from wineglasses and cell-phone screens to water filters. But we're running out.
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• 4:52
Agoura Hills native Rishi Sharma may be young, but he's in a race against time. This is his story.