Article Photos: Obama to confront oil pipeline, climate change 3/4

FILE- In this April 17, 2012 file photo, Environmental Protection Agency (EPA) Administrator Lisa Jackson gestures during an interview with The Associated Press at EPA Headquarters in Washington. The White House says tackling climate change and enhancing energy security will be among President Barack Obama's top priorities in his second term. Obama will have to do that work with new heads of the agencies responsible for the environment. Interior Secretary Ken Salazar, Environmental Protection chief Lisa Jackson and Jane Lubchenco, head of the National Oceanic and Atmospheric Administration, all have announced they are leaving. Energy Secretary Steven Chu is expected to follow his colleagues out the door in coming weeks. (AP Photo/Kevin Wolf, File)