Green Car Congress

MARCH 17, 2010

In a new study published online 10 March in the ACS journal Environmental Science and Technology , however, Stanford University professor Mark Jacobson finds that local CO 2 emissions in isolation may increase local ozone and particulate matter. Although the health impacts of such changes are uncertain, he notes, they are of concern.

Ozone 218

Ozone Los Angeles Pollution CO2 218

Green Car Congress

AUGUST 9, 2012

CO2 ratio for this flight track segment decreased from 24.5 In California’s Los Angeles Basin, levels of volatile organic compounds (VOCs) pollutants have decreased by about 98% since the 1960s, even as area residents now burn approximately three times as much gasoline and diesel fuel. ppbv/ppmv to 10.7 Source: Warneke et al.

Los Angeles 285

Los Angeles Gasoline Ozone 2002 285

Green Car Congress

MAY 18, 2009

A recent paper by a pair of researchers from the NASA Goddard Institute for Space (GISS) and Columbia University also found that black carbon is responsible for 50% of the total 1.9 °C F, with about 40% due to ozone. Earlier post.). C increased Arctic warming from 1890 to 2007. Earlier post.).

Carbon 150

Carbon EPA Pollution Ozone 150