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The Cornell Lab of Ornithology
Celebrate Urban Birds
Help ornithologists learn about 16 key species of urban birds.
Multiple locations, including yours!
- Ongoing
Citizen ScienceBirdsNature & OutdoorsAnimalsbirdingbirdsummer reading 2021urban birds
green spaces
within 25 miles
Apr 30, 2025
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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.)
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentplastic pollutiontrail hazards monitoringtrailreservationsfield workpollutionbiodiversitylitter forests biodiversity green spaces field workforest science trail litter trail hazardsscience pollutionpark usage reservationsforestsdog waste plastic pollutiongreen spaces forestmonitoring park usage
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 & TechnologyMathematicsLegolegoscampskidslegoLegos
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 & WeatherEducationflowersinaturalisthikingalpine
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 & EnvironmentBiologyurbanforestryurbanforeststreestreeplantingplantingprojects
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