So What’s the Problem with Roundup?

They say: "It’s Safer than Mowing"; "Biodegradable";"Environmentally Friendly"

Some Important Facts You Should Know

  • Glyphosate, the active ingredient in Roundup, is the third most commonly-reported cause of pesticide illness among agricultural workers in California.
  • Glyphosate is the most commonly reported cause of pesticide illness among landscape maintenance workers in California.
  • The surfactant ingredient in Roundup is more acutely toxic than glyphosate itself and the combination of the two is yet more toxic.
  • Glyphosate is suspected of causing genetic damage.
  • Glyphosate is acutely toxic to fish and birds and can kill beneficial insects and soil organisms that maintain ecological balance.
  • Laboratory studies have identified adverse effects of glyphosate-containing products in all standard categories of toxicological testing.
  • Glyphosate residues in soil can persist over a year.
  • Glyphosate residues has been found in strawberries, wild blueberries and raspberries, lettuce, carrots and barley.
  • Glyphosate has been measured 1,300 – 2,600 feet away from its application site.
  • This year Monsanto, manufacturer of Roundup, agreed with the New York Attorney General’s office to discontinue their use of the terms "biodegradable" and "environmentally friendly" in ads promoting glyphosate-based products, including Roundup.

Effective and safe alternatives exist! For more information, contact the Ecology Center.


  • Cox, Caroline. 1995. “Glyphosate, Pt. 1: Toxicology” Journal of Pesticide Reform, Vol.15, No.3:14 -20
  • Cox, Caroline. 1995. “Glyphosate, Pt. 2: Human Exposure and Ecological Effects” Journal of Pesticide Reform, Vol.15, No.4:14-19
  • Moses,Marion. 1995. Designer Poisons