-->
The problematic particles, called fine particulate matter (PM2.5) can get past the body’s normal defenses and penetrate deep into the lungs. The first long-term global map of PM2.5 was published in a recent issue of Environmental Health Perspectives. Canadian researchers created the map by blending total-column aerosol amount measurements from two NASA satellite instruments with information about the vertical distribution of aerosols from a computer model. Read More
