The European Union has delayed its vote to extend approval of the weedkiller glyphosate. But why is it controversial? Opponents say it causes cancer and pollutes waterways, but backers say it underpins food security.
The European Union has delayed its vote to extend approval of the weedkiller glyphosate. But why is it controversial? Opponents say it causes cancer and pollutes waterways, but backers say it underpins food security.