Beyond Pesticides says that it feminizes male frogs, and is linked to childhood cancers and birth defects. It is applied to corn, sugarcane, forests, and sorghum. Syngenta, the pesticide company, criticized its former researcher after he found that it caused reproductive problems in frogs. Link to article on his research and their attacks on him. Article by Center for Biological Diversity explains that it is banned in Europe. It is the 2nd most widely used pesticide in the US. The EPA preliminary report says that it harms most plants and animals. It is up for review. where lobbyists try to allow it to still be used. It kills frogs.