We're in beta! If you find a bug or have feedback, let us know in our 
Astronomy On Tap
Astronomy on Tap Boston Co-Hosts Space Trivia for MA Space Week 2026
Anywhere
- April 23, 2026 at 11:30 PM
Community
green
within 25 miles
Apr 19, 2026
49 opportunities found! use fewer search filter criteria to find more opportunities
Filters
The Children's Museum at La Habra
Catepillar Adoption & Earth Day Festival
Join us for our Annual Caterpillar Adoption & Earth Day Festival, where you can adopt your own Painted Lady butterfly and enjoy a day of hands-on STEM activities!
at Children's Museum at La Habra, 301 South Euclid Street, La Habra, CA, 90631, USA
- Ongoing through April 19, 2026 at 6:00 AM
CommunityFestivalLive ScienceBiologyEcology & EnvironmentGeneral ScienceInsects & PollinatorsNature & Outdoorsmuseumkidscaterpillarsnature
Central Wisconsin Riverkeepers
Protect Wisconsin’s clean water for future generations.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentChemistryBiologyOcean Water MarineInsects & PollinatorsNature & Outdoorswisconsintroutriverstream monitoring
CitSci.org
Chintsa Green Coast_Fishing line monitoring
To encourage the uptake of using fishing line bins to discard waste line and other fishing gear by fishermen and beach users
Anywhere
- Ongoing
Citizen Science
SETI Institute + Unistellar Citizen Science
Cometary Activity
Understand cometary behavior and structure
Anywhere
- Ongoing
Citizen ScienceAstronomy & Space
CyanoTRACKER
Monitor algal blooms and report it.
Multiple locations, including yours!
- Ongoing
Citizen ScienceGeology & Earth ScienceEcology & EnvironmentGeographyClimate & WeatherNature & OutdoorsOcean Water Marineblue green algaeoceanwateralgal bloomreportalgal bloomspondlakeriver
Dinosaur Hall
Philadelphia, Pennsylvania
- Ongoing
ExhibitionArchaeology & CulturalArtEducationPaleontology
CitSci.org
Ecosystem Explorers
Identify and confirm areas of species-rich grasslands in Scotland for mapping and monitoring. Locate new habitat for threatened species such as the Northern Brown Argus Butterfly.
Anywhere
- Ongoing
Citizen Science
Earthwise Aware
EwA Trail Report
Contribute to EwA’s urban habitat health & fragmentation studies, and help ecological assessment and management of sensitive areas in the Greater Boston Area (Massachusetts, U.S.)
Anywhere
- Ongoing
Citizen ScienceEcology & Environment land use science biodiversity forest green spacessciencehabitat fragmentation ewaplastic pollution traildog wastetrail hazardsforestspollutionpark usageewa earthwise awareland usebiodiversityewah pollution habitat fragmentation plastic pollutionreservations monitoring trail hazardsforestearthwise aware reservations litter forests park usagetrailmonitoringlitter ewahfield work field workgreen spaces
Steph Jeffries
Fig buttercup in Wake County, NC
Understand where the invasive fig buttercup has spread in Wake County.
Near your search location!
- Ongoing
Citizen ScienceEcology & EnvironmentNature & Outdoorsfig buttercupwake countyinvasive specieslesser celadineficaria verna