Breathing Easier? Satellites Show The Air Down Here On Earth Is Cleaner Than It Used To Be

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Breathing Easier? Satellites Show The Air Down Here On Earth Is Cleaner Than It Used To Be

Breathing Easier? Satellites Show The Air Down Here On Earth Is Cleaner Than It Used To Be
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Breathing Easier? Satellites Show The Air Down Here On Earth Is Cleaner Than It Used To Be

by CBS Local 1:47 mins

Breathing Easier? Satellites Show The Air Down Here On Earth Is Cleaner Than It Used To Be

by CBS Local 1:47 mins

It's not just space NASA focuses on. A fleet of satellites also studies the Earth. Alex DeMetrick reports.

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