Green Car Congress

OCTOBER 28, 2010

The two combine in the atmosphere to make either nitric acid or peroxynitrous acid; the so-called branching ratio of these two chemicals is important in models of ozone production. This means less of the hydroxyl radical and nitrogen dioxide go away, leading to proportionately more ozone, mostly in polluted areas, Okumura said.

Ozone 210

Ozone Los Angeles Pollution California 210

Green Car Congress

APRIL 18, 2016

of the University of Southern California, Los Angeles, and colleagues examined whether improvements in ambient air quality in Southern California were associated with reductions in bronchitic symptoms in children. Kiros Berhane, Ph.D., Among these children, 19% had asthma at age 10 years.

Pollution 150

Pollution Los Angeles California Ozone 150

Green Car Congress

SEPTEMBER 12, 2014

Calderón-Garcidueñas and her team compared 58 serum and cerebrospinal fluid samples from a control group living in a low-pollution city and matched them by age, gender, socioeconomic status, education and education levels achieved by their parents to 81 children living in Mexico City. —Calderón-Garcidueñas et al.

Pollution 275

Pollution Mexico Los Angeles New York City 275

Green Car Congress

SEPTEMBER 1, 2012

Black carbon is part of a group of pollution sources known as Short-Lived Climate Forcers (SLCFs), including methane gas and ozone, which are produced on earth. Cappa, a professor of engineering at the University of California, Davis, and Timothy B.

Climate 261

Climate Climate Change Carbon Boston 261