We're in beta! If you find a bug or have feedback, let us know in our 
SETI Institute + Unistellar Citizen Science
Cometary Activity
Understand cometary behavior and structure
Anywhere
- Ongoing
Citizen ScienceAstronomy & Space
green spaces
within 25 miles
Nov 25, 2025
15 opportunities found! use fewer search filter criteria to find more opportunities
Filters
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.)
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentgreen spaces litter field workfield workpark usagepollutionforests foreststrailhabitat fragmentation biodiversitydog waste pollutionlitterland useewamonitoring park usagereservationsforest trail science monitoring forest plastic pollutiontrail hazardsbiodiversityplastic pollution reservations green spaces trail hazardsscience
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 & TechnologyMathematicsLegolegocampskidsLegoslegos
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 & WeatherEducationinaturalistflowershikingalpine
Pulsar Search Collaboratory
Discover new pulsars
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacestarspulsars
Tempe & Guadalupe Community Tree Map
Achieve a 25% citywide tree and shade canopy by 2040
Multiple locations, including yours!
- Ongoing
Citizen ScienceNature & OutdoorsEcology & EnvironmentBiologytreesplantingprojectsurbanforeststreeplantingurbanforestry
The Living Roof Project
CA
- Ongoing
Citizen ScienceBirdsEcology & EnvironmentAnimalsNature & OutdoorsBiologyInsects & Pollinators
12