2007 Aura Ozone Power 
Green Car Congress
NOVEMBER 13, 2017
Although China and India remain the world’s largest consumers of coal, a new University of Maryland-led study found that China’s sulfur dioxide emissions fell by 75% since 2007, while India’s emissions increased by 50%. Most of the two countries’ sulfur dioxide emissions come from coal-fired power plants and coal-burning factories.
Green Car Congress
JUNE 27, 2014
After ten years in orbit, the Ozone Monitoring Instrument (OMI) on NASA’s Aura satellite has been in orbit sufficiently long to show that people in major US cities are breathing less nitrogen dioxide. The gas is produced primarily during the combustion of gasoline in vehicle engines and coal in power plants.
Green Car Congress
AUGUST 25, 2013
The approximate linear relationship for each region is notable, suggesting that the dependence of urban NO 2 pollution upon population follows a power law scaling with population. log relationship between NO 2 mixing ratios and the total population of urban areas for the four regions. Credit: ACS, Lamsal et al. Click to enlarge.
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