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Study finds changes in the Arctic sea ice cover may be driving changes in atmospheric chemistry

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Bromine also can remove ozone from the lowest layer of the atmosphere, the troposphere. Despite ozone’s beneficial role blocking harmful radiation in the stratosphere, ground-level ozone is a harmful pollutant. Bromine then reacts with a gaseous form of mercury, turning it into a pollutant that falls to Earth’s surface.

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Research shows clean fuel-use for ships off California coast extremely effective in reducing sulfur dioxide pollution

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The California data were compared to ship-plume measurements made by NOAA near the Port of Houston, Texas in 2006. More findings from the CalNex research on a variety of subjects, from the formation of ozone to the interactions of particles and clouds, are being presented at a four-day workshop May 16 through 19 in Sacramento, California.

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HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

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Other ancillary studies were led by Dr. Jeffrey Bemis, of Litron Laboratories, Rochester, New York; Dr. Lance Hallberg, of the University of Texas Medical Branch, Galveston, Texas; and Dr. Daniel Conklin, of the University of Louisville, Louisville, Kentucky. These ancillary studies evaluated endpoints not examined in the core study.

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Up close and personal with Volkswagen’s e-Golf carbon offset project: Garcia River Forest

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In February 2008, GRF became one of the first forests—and the largest—to receive verification as a source of greenhouse gas reductions under the protocols of the Climate Action Reserve , adopted by the California Air Resources Board in 2007. ozone depletion potential (ODP). photochemical ozone creation potential.

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