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 spaces
within 25 miles
Apr 17, 2026
16 opportunities found! use fewer search filter criteria to find more opportunities
Filters
SETI Institute + Unistellar Citizen Science
Cometary Activity
Understand cometary behavior and structure
Anywhere
- Ongoing
Citizen ScienceAstronomy & Space
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 & Environmentscience plastic pollutionreservations ewahewaforests litter reservations biodiversity forests trailmonitoring earthwise awarepollution forest pollutiondog wastebiodiversity park usage land usehabitat fragmentation habitat fragmentationlittergreen spaces field workland usepark usageewahearthwise aware ewa green spaces trail hazardsforesttrail hazardstrailfield work monitoringplastic pollution science
Green Bank Observatory Science Center
Green Bank Observatory Virtual Visits
Anywhere
- Ongoing
Live ScienceEcology & EnvironmentEngineeringGeneral ScienceAstronomy & SpaceTechnologyOnline: Live Event
Brick Tech
LEGO® STEM and Robotic Camps!!
Join and unlock amazing opportunities for your child in STEM and Robotics! Our hands-on camps across LA inspire creativity, problem-solving, and love for Legos!
Multiple locations, including yours!
- Ongoing
CampDesignEducationEngineeringTransportationTechnologyAnimalsAgricultureArtAstronomy & SpaceComputers & TechnologyMathematicskidslegocampsLegosLegolegos
Nest Box Challenge
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsBirdsBiologyAnimals
Appalachian Mountain Club
Northeast Alpine Flower Watch
Monitor flowering and fruiting of alpine plants
Multiple locations, including yours!
- Ongoing
Citizen ScienceBiologyNature & OutdoorsEcology & EnvironmentClimate & WeatherEducationhikingalpineinaturalistflowers
Pulsar Search Collaboratory
Discover new pulsars
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacepulsarsstars
Tempe & Guadalupe Community Tree Map
Achieve a 25% citywide tree and shade canopy by 2040
Multiple locations, including yours!
- Ongoing
Citizen ScienceNature & OutdoorsEcology & EnvironmentBiologyurbanforestrytreeplantingtreesurbanforestsplantingprojects
12