Mealey's (April 10, 2019, 12:27 PM EDT) -- WASHINGTON, D.C. — Four environmental groups on March 21 sued the U.S. Department of the Interior and the U.S. Bureau of Reclamation in the District of Columbia for allegedly failing to undertake an adequate environmental review before issuing the Green River Block Exchange (GRBE) Contract for the Green River and the Colorado River Basin (Center for Biological Diversity, et al. v. U.S. Department of the Interior, et al., No. 19-789, D. D.C.)....