One of the oldest and most widely used pesticides in the world is also one of the most toxic and controversial.
Paraquat, a herbicide used to control weeds since the 1950s, was banned in the European Union in 2007. It is restricted for use only by licensed technicians in the United States and, since 2012, many of its formulations in China are being phased out.
A bumble bee once common in the United States is disappearing so quickly it should be listed as an endangered species, environmentalists said in a lawsuit filed against U.S. government agencies on Tuesday.
WASHINGTON — More than 15 years after a fertilizer bomb was used to blow up a government building in Oklahoma City, killing 168 people, the federal government is proposing to regulate the sale and transfer of the chemical ammonium nitrate.
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