This secret evidence highlights the profound weakness of regulatory tests.” Research by Syngenta and others on their own neonicotinoid compounds showed that the chemicals caused significant damage to honeybees , according to Greenpeace . The environmental campaigning group has obtained the unpublished clinical trials through a freedom of information request . Previous research had shown that the use of the chemicals in fields damaged bees ; these studies prove that they also damage the performance of colonies . Bees and other pollinators are essential for pollinating 75 % of global food crops . Neonicotinoids , the most commonly used insecticides in the world , were banned in relation to flowering crops by the EU in 2013 .
Research by Syngenta and others on their own neonicotinoid compounds showed that the chemicals caused significant damage to honeybees , according to Greenpeace . The environmental campaigning group has obtained the unpublished clinical trials through a freedom of information request . Previous research had shown that the use of the chemicals in fields damaged bees ; these studies prove that they also damage the performance of colonies . Bees and other pollinators are essential for pollinating 75 % of global food crops . Neonicotinoids , the most commonly used insecticides in the world , were banned in relation to flowering crops by the EU in 2013 .