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City Nature Challenge 2024

Help Philadelphia take on the world while you connect with nature in the 2024 City Nature Challenge. Beginning on Friday, April 26 at 12:01 am in each time zone, the City Nature Challenge runs through Monday, April 29, 11:59 pm. The global event, co-organized by San Francisco’s California Academy of Sciences and the Natural History Museum of Los Angeles County, calls on current and aspiring community scientists, nature and science fans, and people of all ages and education backgrounds to observe and submit pictures of wild plants, animals, and fungi using the free mobile app iNaturalist. From Friday, April 26

Free

On-Demand Tree Tenders Virtual Training

Online

Become a neighborhood greening hero! Learn about tree care and planting by participating in a PHS Tree Tenders training. This eight-hour course* will be offered through recorded sessions available until July 31. Workshop topics include tree biology, identification, planting, and proper care. You will be joining one of the nation’s oldest, most respected volunteer urban tree-care programs. Tree Tenders are given the tools to plant and nurture trees in their own neighborhoods. Regionally, there are over 6,200 Tree Tenders from 100 + neighborhoods! Join a group or form your own Tree Tenders group, by attending the training with two neighbors. For