PRENZLAU, GERMANY - MAY 19: In this aerial view a tractor spreads pesticide on a field on May 19, 2016 near Prenzlau, Germany. Debates among member states of the European Union today in Brussels ended without a vote on whether to ban the pesticide glyphosate. Glyphosate, manufactured by Monsanto, is in widespread use across the European Union though some scientists have come forward with claims that it causes cancer.   (Photo by Sean Gallup/Getty Images)