Pesticides damage survival of bee colonies, landmark study shows The world’s largest ever field trial demonstrates widely used insecticides harm both honeybees and wild bees, increasing calls for a ban

https://amp-theguardian-com.cdn.ampproject.org/c/s/amp.theguardian.com/environment/2017/jun/29/pesticides-damage-survival-of-bee-colonies-landmark-study-shows