Air pollution

A Harvard School of Public Health Study determined that exposure to particulate matter in air pollution may increase risk of dangerous blood clots in the legs.

Dr. Andrea Baccarelli, who led the study said, "Several studies in animal models and in humans have shown that particulate matter, inhaled into the lungs, causes inflammation in the lungs."

Study: Some Trees Effective as Air Filters, Can Cut Health Risk From Vehicle Emission Particles

SACRAMENTO, Calif., May 2, 2008

A recent report in UCLA TODAY states, "UCLA chemists report a major advance in reducing heat-trapping carbon dioxide emissions in the Feb. 15 issue of the journal Science. They have demonstrated that they can capture carbon dioxide – which contributes to global warming, rising sea levels and increased acidity of oceans.