Researchers found that while glyphosate "resistance" was seen in some ponds, it came at a cost.
"We were finally able to show the jury the secret, internal Monsanto documents proving that Monsanto has known for decades that Roundup could cause cancer."
Monsanto is appealing the ruling that classifies the herbicide glyphosate, the main ingredient in Roundup, as a known carcinogen.
The European Food Safety Authority nevertheless proposed new limits on the amount of residue deemed safe for humans to consume.
Despite false media reports, Moore, who offered then refused to drink herbicide, is an environmentalist with an unusual history.