Glyphosate is the world's most widely used herbicide.

A law firm representing plaintiffs suing Monsanto Co. (MON) released hundreds of pages of emails showing Monsanto employees attempting to recruit scientists to refute research contrary to the company's own findings on the harmfulness of controversial weed killer glyphosate. 

The U.S. Environmental Protection Agency and the European Chemicals Agency have both said that glyphosate isn't likely to cause cancer. 

Plaintiffs suing the company claim that they got cancer from exposure to Roundup, which contains the herbicide. Glyphosate is the world's most widely used herbicide. 

Monsanto shares were down 0.03% to $117.83 in afternoon trading Thursday.  

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