Green Car Congress

NOVEMBER 7, 2017

Ozone pollution near Earth’s surface is one of the main ingredients of summertime smog. It is also not directly measurable from space due to the abundance of ozone higher in the atmosphere, which obscures measurements of surface ozone. —Jin et al.

Ozone 150

Ozone Insight Netherlands North America 150

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.

India 170

India 2007 Emissions Aura 170

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. Credit: ACS, Lamsal et al. Click to enlarge. The OMI-derived surface NO 2 data are significantly correlated (r = 0.69) with in situ surface measurements.

Pollution 261

Pollution Power Powered India 261