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Springtime Ozone Increases Due To Emissions

By | Published: January 21, 2010
National Oceanic And Atmospheric Administration — Springtime ozone levels above western North America are rising primarily due to air flowing eastward from the Pacific Ocean, a trend that is largest when the air originates in Asia. These increases in ozone could make it more difficult for the United States to meet Clean Air Act standards [...]
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Extent of Ozone Injury to Trees

By | Published: October 5, 2009
United States Department of Agriculture Extent of Ozone Injury to Trees in the Western United States he widespread nature of ozone air pollution in California and the suspected potential for ozone damage to forests near cities in other western States led to field surveys and establishment of monitoring plots beginning in the mid–1960’s. The surveys [...]
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