Asia Could Sink U.S. Hopes Of Meeting Clean Air Act Standards
Wednesday, January 20, 2010 - 15:14
in Earth & Climate
According to a new study in Nature that analyzed large sets of ozone data captured since 1984, 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 for ozone pollution at ground level. read more