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Casey Trees
To restore, enhance and protect the trees of Washington DC
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsBiologywashington d.c.plantingtree plantingtreescanopy
forestry
within 25 miles
Oct 10, 2025
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Back Bay Amateur Astronomers
Harvest Festival
Chippokes State Park VA
- October 18, 2025 at 3:00 PM through 3:00 PM
CommunityAstronomy & Space
Indiana Phenology
Indiana Backyard Observers
Monitor the phenological events of plants & animals in Indiana.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentClimate & WeatherNature & Outdoorsbognativepollinatoreducationconservationflowerwateramphibianstreamlizardschoolchildrensummerfindmonitorfieldinsectraccoonkidforestryrecordmiddlepolicywatchseasonsduneshrubautumnrestorationfishspringphenologychangesseasonalrestorelegislationfalllakewintersalamanderlearnseasontripcreekfroghighbutterfliesswampsnakebeebutterflyclasssquirrelpondclimatelandteachconserveagriculturechildmammalkidsplantprairiemobileapptreechangeanimalbirdelementaryforestinvasiveobservegrassreptileresearchrivertracknewtfenwetlandmanagementspecies
Epicollect5
Pyrogeography Citizen Science
Build crowdsourced wildfire activity dataset
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineGeographyphotography, climate data, forest ecology, citizen science monitoring, forest, grasslands, wildfire, wildfires, oak, forests, citizen scientist, climate, crowd source, grassland, fire ecology, citizen science, forestry
Tempe & Guadalupe Community Tree Map
Achieve a 25% citywide tree and shade canopy by 2040
Multiple locations, including yours!
- Ongoing
Citizen ScienceNature & OutdoorsEcology & EnvironmentBiologytreeplantingtreesurbanforestsurbanforestryplantingprojects
University of Tennessee Knoxville
TreeSnap
Locate threatened trees for scientists to study
Multiple locations, including yours!
- Ongoing
Citizen ScienceBiologyEcology & EnvironmentAgricultureNature & Outdoorswoodshikingtop2022forest healthoaknaelmashforestrytreeshemlockmobile apptop 22 in 2022forestchestnut
Hamilton Naturalists' Club and Environment Hamilton
Trees Please
Improve Hamilton’s urban forests and air quality.
Multiple locations, including yours!
- Ongoing
Citizen SciencePolicySocial ScienceNature & OutdoorsGeology & Earth ScienceClimate & WeatherBiologyEcology & EnvironmentTransportationurban forestsair qualityurbancommunitycanadaair pollutionnatrees
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