Pesticides a concern for aquatic life in most U.S. urban streams : study

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Pesticides a concern for aquatic life in most U.S. urban streams : study

<p><a href="http://news.yahoo.com/pesticides-concern-aquatic-life-most-u-urban-streams-193621713--finance.html"><img src="http://l3.yimg.com/bt/api/res/1.2/K9A4PSQvuY0CFfnLZjG7gA--/YXBwaWQ9eW5ld3M7Zmk9ZmlsbDtoPTg2O3E9NzU7dz0xMzA-/http://media.zenfs.com/en_us/News/Reuters/2014-09-11T193621Z_1_LYNXMPEA8A10N_RTROPTP_2_FISH-DIEOFF.JPG" width="130" height="86" alt="Fish lie dead in the harbor area of Redondo Beach" align="left" title="Fish lie dead in the harbor area of Redondo Beach" border="0" /></a>By Ian Simpson WASHINGTON (Reuters) - The proportion of urban streams in the United States with potentially worrisome levels of pesticides for aquatic life has surged to 90 percent, a two-decade government study said on Thursday. Some of the more than 500 million pounds (220 million kg) of pesticides used yearly in the United States are concentrated at levels that pose a concern for fish and water-dwelling insects, the U.S. Geological Survey report on pesticides from 1992 to 2011 said. &quot;We're at the stage of saying, 'OK, these (levels) compared to a benchmark indicate more evaluation need to be done,'&quot; said Wesley Stone, a Geological Survey hydrologist and the study's lead author.</p><br clear="all"/>

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