Columbia Land Conservancy, Pollinate This, and Riverkeeper cleanup of the Greenport Conservation Area for the 5th Annual Riverkeeper Sweep, a day of service for the Hudson River. Volunteers are asked to park and meet at the main parking lot. Sweep volunteers are asked to wear sturdy shoes or boots, clothing that they can get dirty, and to bring a hat, eye protection, and other personal protective gear, sunscreen, a reusable water bottle and snack. This site is suitable for elementary-aged children with proper adult supervision. Information at sweep@riverkeeper.org, nated@clctrust.org or thebeekeeper@pollinatethis.org.