Interior Secretary Ken Salazar works with volunteers from Youth Conservation Corps, Volunteers-in-the-Parks, Student Conservation Association and the Shenandoah National Park Association to remove exotic plants in the Shenandoah National Park on Monday June 22, 2009.

Education Secretary Arne Duncan reads to children at Fanwood Memorial Library to highlight the importance of combating reading loss during the summer on June 22, 2009.

Commerce Secretary Gary Locke prepares lunch at the Child Care Center during his visit to the La Mesita Homeless Shelter for Families in Mesa, Arizona on Monday, June 22, 2009.

Nancy Sutley, Chair of the White House Council on Environmental Quality, works with the Anacostia Watershed Society to plant native wetland species in Kingman Lake, a 35-acre wetlands marsh adjacent to the Anacostia River, on Monday, June 22, 2009.

Housing and Urban Development Secretary Shaun Donovan joins volunteers from the St. Bernard Project and other local organizations to rebuild a New Orleans home that was destroyed in Hurricane Katrina on Monday, June 22, 2009.

Secretary Chu attends an energy efficiency event in partnership with League of Conservation Voters at the local YMCA where he helped assemble home energy efficiency kits and educational materials to help families lower their energy costs on Monday, June 22, 2009.

EPA Administrator Lisa P. Jackson helps clean up the Missouri and Kansas Rivers at Kaw Point Park, Kansas with the Missouri River Relief, Blue River Watershed Association, Missouri Stream Team and Friends of the Kaw, as well as local students on Monday, June 22, 2009.