Some D.C. residents have volunteered in the war against a foreign invader that threatens the trees in Rock Creek Park.
Rock Creek Park,
Rock Creek Park Conservancy,
Please select the location that you were searching for from the list below.
Please try searching again using a valid zip code or city and state.
Daily Dose with Dr. Oz: Standing up for good health
Copyright © 2013 by WTOP. All rights reserved.