French farmer Nicolas Denieul sprays glyphosate herbicide produced by US agrochemical giant Monsanto on May 11, 2018, on a field of no-till corn in Piace, northwestern France. Using a 10-year old conservation farming practice, French farmer Nicolas Denieul has reduced the use of glyphosate to half a litre instead of one litre per hectare and per year. / AFP PHOTO / JEAN-FRANCOIS MONIER