U.S. Bureau of Land Management April 26, 2017 President Trump's Assault on the Antiquities Act Signals Trouble for National Parks and Monuments Adam Markham Former Staff
November 12, 2014 World Heritage Sites Among Many Cultural Resources Threatened by Climate Change Adam Markham Former Staff
May 20, 2014 Climate Change is Putting Iconic Historic Sites and National Parks at Growing Risk Adam Markham Former Staff