The weed war, which puts more than $528 million in crop losses on the line each year in Canada alone, has for the past 50 years been fought with an arsenal of toxic herbicides that harm human health and contribute to the biodiversity and climate crises.
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Intensive farming is creating new super weeds that are nearly impossible to kill with herbicides. Already infamous for their impact on everything from water quality to biodiversity, the intensive approach to agriculture is making it even harder for farmers to protect their crops and bottom lines from tsunamis of harmful weeds, a new study suggests.