Science news articles about 'airborne pollutants'
National study examines health risks of coarse particle pollution
... have conducted the largest nationwide study on the acute health effects of coarse particle pollution. Coarse particles are airborne pollutants that fall between 2.5 and 10 microns ...Satellites illuminate pollution's influence on clouds
... South American clouds infused with airborne pollution – classified as "polluted clouds" – tend to produce ... the measurably smaller ice particles in aerosol polluted clouds to grow large enough to fall ...Study reveals air pollution is causing widespread and serious impacts to ecosystems
... – largely originate from smokestacks, tailpipes, and agricultural operations. While initially airborne, these pollutants eventually return to the landscape, where they contaminate the soil and water. ...Blue sky research reveals trends in air pollution, clears way for new climate change studies
... over land has decreased globally over the past 30 years, indicative of increases in aerosols, or airborne pollution. Their findings are published in the March 13 issue of Science. "Creation of this ...Facemasks help prevent adverse cardiovascular effects caused by pollution
... in Particle and Fibre Toxicology, researchers report how wearing a facemask reduces exposure to airborne pollution particles and leads to a reduction blood pressure and improved heart rate control ...Lake Sediments Help Scientists Trace 7,000 Years Of Mining, Metal Use In China
... 000 years of mining and metal use in central China and links these trends to fluctuations in airborne pollution during the Bronze Age and other military and industrial periods in Chinese history. The ...NASA declares Canadian forest fire smoke study a success
Scientists with NASA say their airborne pollution study on the impact of boreal forest fires in the Canadian Arctic went better than expected, and they hope to produce preliminary results in the fall. ...OSU study shows exposure to bad air raises blood pressure
... Toxology. Researchers exposed rats to levels of airborne pollutants that humans breathe everyday, noting ... downtown Manhattan. "Pre-exposure to air pollution markedly increased blood pressure responses ...New theory on largest known mass extinction in the history of the earth
... on a comparison with today's biochemical and atmospheric chemical processes. "Our calculations show that airborne pollutants from giant salt lakes like the Zechstein Sea must have had catastrophic ...Spring agricultural fires have large impact on melting Arctic
... findings from the most ambitious effort ever undertaken to measure "short-lived" airborne pollutants in the Arctic and determine how they contribute in the near term to the dramatic changes underway ...When children have breathing problems
... more grave effects than vehicle exhaust fumes. The recently completed study on 'Combined effects of airborne pollutants as risk factors for environmental diseases' was conducted as part of a long- ...
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