President Obama has formally announced nominees to head the U.S. Environmental Protection Agency (EPA) and U.S. Department of Energy. For EPA, President Obama has nominated Gina McCarthy to replace former EPA Administrator Lisa Jackson, who stepped down in February 2013. Gina McCarthy is currently administrator for EPA’s Office of Air and Radiation. For the Department of Energy, President Obama has nominated Ernest Moniz, an MIT professor of physics and former member of the Clinton Administration, to replace current Department of Energy Secretary Steven Chu. Both nominations will require confirmation by the Senate.