National Wildlife Federation joined the Department of the Interior at todayâ’s kickoff of United We Serve and is joining the national effort launched by President Obama to engage more Americans in serving their communities this summer. As part of the Presidentâ’s Summer of Service initiative, Interior Secretary Ken Salazar issued a call to action for every adult to mentor a child outdoors this summer. Secretary Salazar spoke at the Big Meadows Campground with volunteers who removed invasive species in Virginiaâ’s Shenandoah National Park. keep Americaâ’s children healthy, creative, and engaged â’National Wildlife Federation applauds President Obama and the Interior...