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Ancient Tree Inventory
To build a living database of ancient trees
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsBiologytrees, united kingdom
first steps
within 25 miles
Jul 21, 2026
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University of Georgia Center for Invasive Species & Ecosystem Health
EDDMapS
Find, map, and track invasive species and pest occurrence
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsOcean Water Marineinvasive speciesmapping systemeddmapscitizen sciencepest distributionecosystem healthedrrresearch and education toolsinvasive species distributiononline mapping toolsinteractive mapsinvasive species reporting
CSU Desert Studies Consortium
Harvester Hunt
Understanding native ant ecology to support urban biodiversity.
Anywhere
- Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsInsects & Pollinatorsurban biodiversityphotographyfamilylos angelesnativewildlifelaurbannaturelos angeles countyla countykidsunschoolurbanwildlifeurban wildlifeurbanbiodiversityentomologybiodiversitynative speciesdisneycaliforniaantsphotosinaturalistwildlifenativeurbanpicsmyrmecologyfamily-friendlyhomeschoolnativespecies
Images of Curiosity
Collect photos that spark curiosity to use in education research
Anywhere
- Ongoing
Citizen ScienceEducationPsychologySocial Science
Kreative Kiddos
[Kreative Kiddos] Joining as a Member
Anywhere
- Ongoing
WorkshopClubArtBiologyComputers & TechnologyDesignRoboticsTechnologyGeneral ScienceEngineeringEcology & EnvironmentAfterschool
Leave No Trace Organization
Leave No Trash
Reduce the amount of litter in outdoor areas
Anywhere
- Ongoing
Citizen ScienceNature & OutdoorsEcology & Environmentcsm2026csm-featuredearth2025csm2025
Librería Metagenómica del Ecuador
Create global gene library to learn about Ecuador’s biodiversity
Multiple locations, including yours!
- Ongoing
Citizen SciencePolicyChemistryBiologyComputers & TechnologyCrowd FundingInsects & PollinatorsNature & OutdoorsHealth & MedicineEcology & Environmentappliedmetagenomicsecuador
Mystic River Watershed Association
Mystic River Herring Education Project
Connect students to the remarkable river herring migration.
Anywhere
- Ongoing
Citizen ScienceBirdsBiologyOcean Water MarineAnimalsNature & OutdoorsEducationSocial ScienceGeographyPolicyecosystemswildlifefishmill creekadvocacymonitoringblack crowned night heronreptilescitizen sciencehorn pondwatershednaturesciencedatamalden rivereaglescommunity servicevolunteerospreymill brookherringcormorantsconnectsummer reading 2021eelszooplanktonfish ladderanadromousrivermammalsmystic lakeecologywater qualityaquaticenvironmentstemmystichabitat
Prevention of miscarriages of justice using machine learning
Validate a machine learning model to help avoid miscarriages of justice
Anywhere
- Ongoing
Citizen ScienceSocial ScienceComputers & Technologymachine learning, miscarriages, miscarriage of justice, justice, wrongful conviction, maching learning
Purple Martin Conservation Association
Project MartinRoost
Protect and promote Purple Martin roosts in North and South America
Multiple locations, including yours!
- Ongoing
Citizen ScienceNature & OutdoorsEcology & EnvironmentBirdsBiologyAnimalsroostmigrationprogne subispurple martinsmartin