Green Car Congress

AUGUST 17, 2015

The scientists are presenting their findings based on field studies conducted in Leipzig, Germany, and Toronto, Canada, at the 250 th National Meeting & Exposition of the American Chemical Society (ACS). When in the air, these compounds may combine with volatile organic compounds to produce ozone, the main component of smog.

Ozone 150

Ozone Germany Canada Pollution 150

Cars That Think

DECEMBER 19, 2021

Up there, 10 to 50 kilometers above the Earth’s surface, ozone molecules absorb the sun’s ultraviolet light, protecting life far below. Even less is understood about the potential risks to people and the environment—could the particles deplete the ozone layer, for example, or significantly alter the weather? about 0.6 °C.

Ozone 128

Ozone Solar Climate Change Climate 128

Green Car Congress

APRIL 3, 2009

Current mandates and targets for liquid biofuels should be reconsidered in light of the potential adverse environmental consequences, potential displacement or competition with food crops, and difficulty of meeting these goals without large-scale land conversion. However very few studies include water use impacts. Ravindranath et al.

Conversion 150

Conversion Water Emissions 2009 150