Various Earth Month at World Trade Center Ages: AllAttractions Free North Oculus Plaza at the World Trade CenterFinancial District
11 am – 1 pm Arbor Day Creative Break at Little Island Ages: AllArt Craft & DIY Little IslandMeatpacking District
11 am – noon Kids Week: Spring Scavenger Hunt Ages: AllEnvironment Free Herbert Von King ParkBedford–Stuyvesant
1 – 2:30 pm Kids Week: Arbor Day Tree ID for Kids Ages: AllEnvironment Free Van Cortlandt Nature Center
3 – 5 pm Open Hours at the Environmental Education Center Ages: AllFree Brooklyn Bridge Park Conservancy Environmental Education CenterDUMBO
4 – 6:30 pm City Nature Challenge: Teen Bioblitz! at Brooklyn Bridge Park Ages: 9 and upEnvironment Free Visitor Center at the Boathouse, Pier 5 UplandsBrooklyn Heights, DUMBO
7:30 – 9 pm Ice Cream Social | Girls Youth Group Ages: 13 and upFree Midwood Fortitude LodgeMill Basin
Brooklyn Paper Contractor convicted of criminally-negligent manslaughter after 5-year-old killed by crumbling wall