Austin's Earth Day Cleanup
An all-day lake and land cleanup along multiple sections of Lady Bird Lake, in which participants can gather trash by boat or on foot. Registrants get a T-shirt, goodie bag, and food and drinks from sponsors, and prizes will be awarded to those who find the most unique item and the most trash.
Past date: Fri., April 22
2418 Stratford Dr., 512/459-0999