Earth Island Institute supports environmental projects and environmental leaders to achieve solutions to the crises threatening the survival of life on Earth
President Woodrow Wilson signed the National Park Service Organic Act into law on August 25, 1916, creating the National Park Service to oversee America's rapidly expanding system.
If you're headed out into the wild this summer, you may need to jump online and book a reservation before you go. For the second consecutive year, reservations are required to visit Yosemite, Rocky Mountain and Glacier national parks. Other popular sites, including Maine's Acadia National Park, encourage visitors to buy entrance passes in advance.