Christina River Watershed Cleanup Extended to May 15 To encourage northern Delaware volunteers to get outside and clean up, the Delaware Department of Natural Resources and Environmental Control in partnership with the Christina Conservancy has extended the month-long Christina River Watershed Cleanup campaign an extra two weeks through Saturday, May 15. The date coincides with the Wilmington Community Cleanup Day taking place in neighborhoods throughout the city. The 2021 Christina Cleanup campaign mobilizes volunteers to safely clean up their communities by picking up trash in their own nei...