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
Noon – 3 pm International Sculpture Day on Park Avenue Ages: 5 and upArt Concert 375 Park AvenueMidtown East
Noon – 4 pm Spring Outdoor Market at the Conference House Ages: AllCommunity Free Conference House ParkStaten Island
5 – 8 pm Pajama Storytime Ages: 8 and underAnimals Books & Readings Queens ZooFlushing Meadows–Corona Park
10 am – 2 pm Community Celebration Sponsored by Brilla Schools Ages: AllCommunity En Español Brilla College Prep School – South BronxMott Haven
All day Sisters Of St. Joseph Sprint into Spring 5K Fun Run/Walk Ages: 5 and upCommunity Craft & DIY Brentwood
9:30 – 10:30 am Spring Serendipity Hike Ages: 5 and upEnvironment Free Greenbelt Nature CenterStaten Island
11 am – 5 pm Sound & Color! Spring Festival Ages: AllCommunity Food & Drink Pier 5 – Brooklyn Bridge ParkBrooklyn Heights, Dumbo, Cobble Hill
11 am – 12:30 pm Nature’s Workshop: Mindful Nature Art Hike Ages: 5 and upArt Free Von Briesen ParkStaten Island
QNS Sen. James Sanders delivers annual ‘Tuvalu Challenge’ address from the waters off Rockaway Beach to cap Earth Day celebration
AMNY Jets trade down a spot and then take Penn State offensive tackle Olu Fashanu at No. 11 in NFL draft
Gay City News West Virginia says it will appeal ruling that allowed transgender teen athlete to compete