Million Trees NYC
Plant or adopt a tree
https://www.milliontreesnyc.org/html/plant/volunteer.shtml
Build It Green! NYC
3-17 26th Ave between 3rd and 4th Sts, Astoria, Queens (718-777-0132) • 69 9th St at Gowanus Canal, Gowanus, Brooklyn (718-725-8925)
bignyc.org
Lower East Side Ecology Center
lesecologycenter.org
https://www.nycclimateaction.org/join-the-alliance