June 20, 2017 In May, geology professor Tim Lincoln led his 17th, and likely final, Center for Sustainability and the Environment (CSE) trip to explore a part of America and its local environment, a journey that over the years has proven enriching and disturbing, often at the same time. Whether it’s wetland destruction in New Orleans or mountaintop mining in Appalachia or forestry in New England or habitat loss on the Chesapeake Bay, Lincoln, in his role as director of CSE, has taken students across the country to face the environmental issues head on.