sentences:  The Act called for suspension of the use of four neonicotinoids, including the three recently suspended by the European Union, until their review is complete, and for a joint Interior Department and EPA study of bee populations and the possible reasons for their decline.The bill was assigned to a congressional committee on 16 July 2013 and did not leave committee.The US EPA has taken a variety of actions to regulate neonicotinoids in response to concerns about pollinators.