FWS designated approximately 202 acres in Onslow and Pender Counties, North Carolina, as critical habitat for the golden sedge. 

EPA issued a final rule requiring monitoring and reporting of greenhouse gas (GHG) emissions from additional sources of fluorinated GHGs.

The Agricultural Marketing Service proposed revisions to the Federal Seed Act to update regulations and to prevent potential conflicts with states.

EPA determined that hydrofluoroolefin-1234yf is an acceptable substitute for chlorofluorocarbon-12, an ozone-depleting substance, in motor vehicle air conditioning for new passenger cars and light-duty trucks.

EPA promulgated new source performance standards and emission guidelines for sewage sludge incineration units located at wastewater treatment facilities.

EPA finalized amendments to the NESHAPs for existing stationary spark ignition reciprocating internal combustion engines.