EPA proposed to issue a 90-day stay of the requirement for chemical manufacturing area sources to comply with the NESHAPs permit program; see above for direct final rule

EPA and the National Highway Traffic Safety Administration issued a supplemental notice of intent on their joint proposed rulemaking to reduce GHG emissions of light-duty vehicles for model years 2017-2025.

EPA seeks public comment on its decision to allow emergency stationary engines to operate for up to 15 hours per year.

FWS determined endangered status for seven Brazilian bird species and subspecies under the ESA.

FWS designated approximately 411 miles of rivers and streams in Colorado as critical habitat for the Preble's meadow jumping mouse.

FWS designated approximately 9,331 acres in the Santa Ana River and the Big Tujunga Creek in southern California as critical habitat for the Santa Ana sucker.

FWS designated approximately 187,157 square miles in Alaska and adjacent territorial and U.S. waters as critical habitat for the polar bear under the ESA.