The cycle is ongoing: We develop ways to control pests and weeds, they adapt accordingly. Resistance to pesticides is an urgent concern for agriculture, and experts are divided on the way forward. Some say chemicals are still the best solution. The EPA this fall approved “Enlist Duo,” a new combination of herbicides meant to fight chemical-resistant “super weeds.” But the NRDC and other groups filed suit to block it, citing risks to the environment and human health, and concerns that we are on a dangerous path toward increased chemical use. For this month’s Environmental Outlook, what’s at stake and what’s ahead in the race against pests and weeds.


  • Andy Dyer Professor of biology at the University of South Carolina Aiken; author of "Chasing the Red Queen: The Evolutionary Race Between Agricultural Pests and Poisons"
  • Margot McMillen Farm owner, Terra Bella Farms in Hatton, Missouri
  • Erik Olson Director of the health program for the Natural Resources Defense Council; former director of food programs at Pew Health Group
  • Aaron Hobbs President of RISE (Responsible Industry for a Sound Environment)
  • Les Glasgow Herbicide technical product lead, Syngenta

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