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May 14, 2013

Scientists want to track CO2 emissions from megacities by adding sensors worldwide

By ALICIA CHANG
AP Science Writer

AP Photo/Jae C. Hong [enlarge]
Senior research scientist Stanley Sander stands on the rooftop of the California Laboratory for Atmospheric Remote Sensing at Mount Wilson. Sensors monitor the basin the way a satellite fixates on Earth, collecting information about Los Angeles’ carbon footprint.

LOS ANGELES — Every time Los Angeles exhales, odd-looking gadgets anchored in the mountains above the city trace the invisible puffs of carbon dioxide, methane and other greenhouse gases that waft skyward.


 
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