Study ties GMO corn, soybeans to monarch butterfly losses: 81 percent decrease in Midwest
by JOSEPHINE MARCOTTY
Star Tribune
Herbicide-resistant crops can withstand Roundup, which kills monarchs’ preferred nesting plant.
Genetically engineered corn and soybeans make it easy for farmers to eradicate weeds, including the long-lived and unruly milkweed.
But they might be putting the monarch butterfly in peril.
The rapid spread of herbicide-resistant crops has coincided with — and may explain — the […]