For decades, scientists have been able to measure air quality and look at its impact on human health. Now, scientists are testing new ways of measuring those climate changing greenhouse gases in the air.
One of the places that is participating in a new effort called the Megacities Carbon Project.
With more than 18 million people living, working and driving in Los Angeles, the city often is covered in a hazy layer of smog. Stan Sander, senior research scientist at the U.S. space …
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