Overlook Park Stream Clean Up, Saturday, April 20, 2024, 10:00 a.m. – 12:00 p.m., 1300 Overbrook Rd., Towson, MD 21239. Bags and gloves provided, or bring your own. Nature/birding walk for adults and kids every half hour. Will pull non-native invasive Garlic Mustard as well. Co-sponsored by the Idlewylde Community Association Greening Committee and the Green Towson Alliance.