5 – 6 pm The Biomimicry Institute’s 20th Anniversary Picnic in New York Environment Free Picnic House in Prospect ParkBrooklyn
7 – 9 pm Artemis Presents: Cedar Exodus by EcoRove Art Environment Our Temenos, 454 Lafayette Avenue, Brooklyn, 11205Brooklyn
8 am – 6 pm Weekends in Bloom 2025 Ages: AllAttractions Environment Family Brooklyn Botanic GardenBrooklyn
10 am – 2 pm Girl Scouts Earth Day at the Prospect Park Zoo Ages: 5 and upAnimals Attractions Family Prospect Park ZooBrooklyn
11 am – 2 pm Earth Day Celebration Ages: AllEnvironment Family Festivals Emily Warren Roebling Plaza, Brooklyn Bridge ParkBrooklyn
8 am – 6 pm Weekends in Bloom 2025 Ages: AllAttractions Environment Family Brooklyn Botanic GardenBrooklyn
10 am – 1 pm Green-Wood’s Green Adventure For Families Ages: AllEnvironment Family Free Green-Wood CemeteryBrooklyn
Noon – 3 pm Invent & Imagine: An Earth Day Celebration Ages: AllEnvironment Family Free Atlantic Terminal PlazaBrooklyn
8 am – 6 pm Weekends in Bloom 2025 Ages: AllAttractions Environment Family Brooklyn Botanic GardenBrooklyn
9:30 am – 4 pm “Fight for Earth” Day and Spring Festival Community Environment George Mercer Jr. School of TheologyGarden City
10:30 am – 4 pm BAMkids SpringFest 2025 Ages: 3 – 12Art Attractions Family The Plaza at 300 AshlandBrooklyn
8 am – 6 pm Weekends in Bloom 2025 Ages: AllAttractions Environment Family Brooklyn Botanic GardenBrooklyn
8 am – 6 pm Weekends in Bloom 2025 Ages: AllAttractions Environment Family Brooklyn Botanic GardenBrooklyn
8 am – 6 pm Weekends in Bloom 2025 Ages: AllAttractions Environment Family Brooklyn Botanic GardenBrooklyn
Today, 10 am Through the Eyes of Philadelphia’s New Americans: Art, Resilience, and Community American Swedish Historical Museum
Today, 6 pm From Kelpius to the Rod of Iron: Cults and New Religious Movements in Pennsylvania Parkway Central Library
Today, 6:30 pm Taste of the Tinta: A Portuguese Wine Journey – April 22nd (Tria Wash West) Tria Cafe Wash West
Metro Philadelphia History Column: Remembering Pope Francis and his unforgettable visit to Philadelphia