EPA issued a final rule requiring GHG monitoring and reporting from facilities that conduct geologic sequestration of carbon dioxide.

FWS announced a 12-month finding on a petition to list the Berry Cave salamander as endangered under the ESA; the agency found that listing is warranted but precluded by higher priority actions.

FWS proposed to withdraw its listing of the flat-tailed horned lizard as a threatened species under the ESA because the threat to the species is less significant than earlier believed.

FWS proposed to designate approximately 11,136 acres in Arizona and New Mexico as critical habitat for the Chiricahua leopard frog and proposed to list the species as threatened under the ESA. 

FWS announced a 90-day finding on a petition to list the Texas kangaroo rat as endangered or threatened and to designate critical habitat under the ESA; the agency found that listing may be warranted and initiated a status review. 

FWS announced a 12-month finding on a petition to list the Mt. Charleston blue butterfly as endangered or threatened under the ESA; the agency found that listing is warranted but precluded by higher priority actions.

NOAA-Fisheries announced a 90-day finding on a petition to list six species of sawfish as endangered or threatened under the ESA; the agency found that listing may be warranted for five of the sawfish species and initiated a status review.

EPA entered into a proposed administrative settlement under CERCLA that requires the settling party to pay U.S. response costs incurred at the Puckett Smelter Superfund site in Mountainboro, Alabama.

NOAA-Fisheries codified the listing of the southern resident killer whale distinct population segment as an endangered species under the ESA.

FWS established regulations for seasons, harvest limits, methods, and means related to the taking of fish and shellfish for subsistence uses in Alaska during the 2011-2012 and 2012-2013 regulatory years.