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

Green Car Congress

EPA AQI map of the San Diego County region,with a box added to. Boxes represent pollution reading locations during that window. A view of the inside of the CitiSense sensor: the three cylindrical components detect ozone, nitrogen dioxide and carbon monoxide. For example, San Diego County has 3.1

Pollution 236
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Fast action on black carbon, ozone and methane could help limit global temperature rise to 2 degrees C

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Fast action on pollutants such as black carbon, ground-level ozone and methane may help limit near term global temperature rise and significantly increase the chances of keeping temperature rise below 2 °C (3.6 °F)—and The climate change benefit is estimated for a given year (2050) and human health and crop benefits are.

Ozone 218