EU ban puts spotlight on complex effects of neonicotinoids

摘要

The EU ban for the use of neonicotinoids in flowering crops that bees might visit has highlighted the unresolved scientific debates around these systemic pesticides. While the industry maintains that typical field concentrations aren't toxic to honey bees, a growing body of independent research shows combination effects that may be just as devastating for bee colonies and wild pollinators. Michael Gross reports.