A new study has found that nearly two-thirds of the world’s farmland is at risk of pesticide pollution, prompting fears of future food insecurity.

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In a statement by the University of Sydney, lead author Dr Fiona Tang said, “Our study has revealed 64% of the world’s arable land is at risk of pesticide pollution. This is important because the wider scientific literature has found that pesticide pollution can have adverse impacts on human health and the environment.”

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Study coauthor and University of Sydney associate professor Federico Maggi says, “In a warmer climate, as the global population grows, the use of pesticides is expected to increase to combat the possible rise in pest invasions and to feed more people.”