Earlier Springs Disrupting Ecosystems At Many National Parks, Study Finds
Secretary of the Interior Sally Jewell on Thursday announced a new study showing that spring is beginning earlier than its historical average in 75 percent of the national parks examined — providing further evidence that climate change is already impacting public lands. The announcement came during a visit to Shenandoah National Park, one of the sites identified in the study as experiencing the impacts of an early onset of spring.









