6:30–7:30pm Crafting Corner: Perler Bead Coaster (9-12) Ages: 9 – 12Art Craft & DIY Finkelstein Memorial LibrarySpring Valley
All day Jefferson Valley Mall Carnival Ages: AllAttractions Festivals Jefferson Valley MallYorktown Heights
10am–5pm The Orchid Show: Florals in Fashion Ages: AllAttractions Environment New York Botanical GardenBronx
10am–2pm Earth Day Hike at Harriman State Park Ages: 3 and upEnvironment Harriman State ParkSouthfields
10am–2pm Orangetown Museum Exhibition: Creating Community 1950 Ages: 3 and upArt Community The Orangetown Historical Museum & ArchivesOrangeburg
10am–5pm The Westchester Amateur Astronomers & Ursa Minors @ NEAF Ages: AllExpo Rockland Community CollegeSuffern
11am–2pm Woodlawn’s Earth Day Celebration Ages: AllEnvironment Free Woodlawn Cemetery, Jerome Avenue EntranceBronx
Noon–4pm Family Science Workshop: Spring Micro-Safari Ages: AllEnvironment Hudson River MuseumYonkers