sentences:  In 2014, under the Obama administration, a blanket ban was issued against the use of neonicotinoids on National Wildlife Refuges in response to concerns about off-target effects of the pesticide, and a lawsuit from environmental groups.In 2018, the Trump administration reversed this decision, stating that decisions on neonicotinoid usage on farms in wildlife refuges will be made on a case by case basis.In May 2019, the Environmental Protection Agency revoked approval for a dozen pesticides containing clothianidin and thiamethoxam as part of a legal settlement.