Interior chief makes climate change a part of parks' centennial

Secretary of the Interior Sally Jewell will make climate change a focus of the celebration of the National Park Service's 100th birthday on Thursday. Jewell is celebrating the centennial of the park service by spending the morning in Montana's Glacier National Park. She will spend much of the morning hiking around the peaks of the park, learning about how climate change is affecting the mountain glaciers that give the park its name. Many of the park's glaciers have shrunk over the last few decades. Scientists predict the park will be glacier-free by mid-century if the current rate of global warming persists. Many scientists blame the burning of fossil fuels for causing climate change and the subsequent warming of the globe...more