A farmer sprays pesticides on his crops in Bailleul, northern France, on June 15, 2015. French Ecology Minister Segolene Royal announced on June 14, 2015 a ban on the sale of American biotechnology giant Monsanto's popular weedkiller 'Roundup' from garden centres, which the UN has warned may be carcinogenic. The active ingredient in Roundup, glyphosate, was in March classified as "probably carcinogenic to humans" by the UN's International Agency for Research on Cancer (IARC). AFP PHOTO / PHILIPPE HUGUEN / AFP PHOTO / Philippe HUGUEN