FWS designated approximately 13 miles of stream in the Turkey Creek Watershed in Jefferson County, Alabama, as critical habitat for the vermilion darter under the ESA.

EPA removed saccharin and its salts from the lists of hazardous constituents, wastes, and substances under CERCLA and RCRA.

EPA finalized amendments to certain renewable fuel standard program regulations that took effect July 1, 2010, based on consideration of comments received.

EPA established annual percentage standards under CAA §211(o) for cellulosic biofuel, biomass-based diesel, advanced biofuel, and renewable fuels produced or imported in calendar year 2011.

FWS announced a 12-month finding on a petition to list Hamilton milkvetch, Flowers penstemon, Frisco buckwheat, Ostler's peppergrass, and Frisco clover as threatened or endangered under the ESA; the agency found that listing Hamilton milkvetch and Flowers penstemon is not warranted and that listing Frisco buckwheat, Ostler's peppergrass, and Frisco clover is warranted but precluded by higher priority actions.