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Portable sensors enable monitoring of pollution on smart phones; inferring pollution maps with greater granularity

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EPA AQI map of the San Diego County region,with a box added to. Computer scientists at the University of California, San Diego have built a portable pollution sensors that transmit transmit their air quality readings to smart phones, allowing users to monitor air quality in real time. indicate UCSD campus.

Pollution 236
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Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

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The study, by a team of researchers from Carnegie Mellon University, University of Georgia, Aerodyne Research, California Air Resources Board (ARB), Ohio State University, UC Berkeley, and UC San Diego is published in the ACS journal Environmental Science & Technology. We estimate ozone and SOA formation potential.

Fleet 207
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Flying first class on a single domestic round trip can contribute more greenhouse gas emissions than a year of driving

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Greenhouse gas emissions were examined for 17 nonstop flights with round-trip distances ranging from 131 miles to 19,040 miles. airline (San Francisco to Santa Rosa); the longest flight within the continental United States (Seattle to Miami); and the longest flight in the world (New York to Singapore). pounds per passenger mile.

Emissions 419