The U.S. Environmental Protection Agency (EPA) is now allowing the use of an herbicide called 2, 4-D. Some farmers argue that this herbicide is needed to combat the problem of superweeds that are resistant to less toxic herbicides like glyphosate. Dow Chemicals and Monsanto created genetically engineered corn and soybeans that were resistant to the
Agriculture
Superweeds: An Emerging Threat
Superweeds are weeds that have built up a resistance to the effects of herbicides used in agriculture to kill them. Weeds such as marestail (horseweed) and palmer amaranth (pigweed) are rapidly growing problems for farmers, pushing them to apply more herbicides, like 2, 4-D and Roundup, more often. These products have been shown to harm human
