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Ancient Tree Inventory
To build a living database of ancient trees
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsBiologytrees, united kingdom
tree
within 25 miles
Oct 26, 2025
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2B Technologies, Inc.
AQTreks (AirQualityTreks)
Monitor air pollution levels and map air pollution around the US
Multiple locations, including yours!
- Ongoing
Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marinecarbon dioxideclimatehikingclimate monitoringcommunity-based monitoringenvironmental justicedatabasegirl scoutswinterequityappglobal warmingdataweatherair qualityscienceairusaclimate changeautumncitizen scienceair pollution monitoringstemec2020outdoorsiphonespringinvestigationexperimentair pollutionmobile applicationsummerair quality indexbicyclingweather dataparticulate mattercarbon monoxidenatureenvironmentsmartphone applicationandroid
NC State University | ecoipm.org | YourWildLife.org
A Tree's Life
To learn how climate & urbanization affect tree growth & health
Multiple locations, including yours!
- Ongoing
Citizen ScienceBiologyEducationClimate & WeatherNature & OutdoorsEcology & Environmentclimate changetreesurban ecologycarbon sequestration
Cornell University/New York Department of Environmental Conservation
AVID (Assessing Vegetation Impacts by Deer)
Monitor the effects of deer browsing on woodland trees and plants
Multiple locations, including yours!
- Ongoing through November 30, 2030 at 8:35 PM
Citizen ScienceNature & OutdoorsEcology & EnvironmentAnimalswoodlandsforest healthdeertreeswildlifeseedlingsforestecologywildflowers
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentcompostballooncompostingballoons
Northern Rivers Fire and Biodiversity Consortium Inc.
Bell Miner Associated Dieback Best Practice Project
Evaluate the removal of mid-storey density in disturbed forests using prescribed fire, weed control and bush regeneration as a method to restore BMAD affected forest.
Anywhere
- Ongoing
Citizen ScienceEducationEcology & EnvironmentBirdsbell miner associated dieback (bmad) birdsbird monitoring biodiversitytree health across the northern rivers region of new south waleslandholdersdatalocations of native bell miner coloniesbmad affected forest treesgondwana world heritageaustralia
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologysize and composition of pollinators communitiesfloral traitspollination flower ecology tree conservation interaction botany insect entomologytree speciespollen dispersal distancestimber speciestropical rainforestcirculating entomofauna
Casey Trees
To restore, enhance and protect the trees of Washington DC
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsBiologytree plantingplantingcanopywashington d.c.trees
Caterpillars Count!
Monitor the seasonality and abundance of foliage arthropods
Multiple locations, including yours!
- Ongoing
Citizen ScienceInsects & PollinatorsEducationEcology & EnvironmentBiologyNature & OutdoorsAnimalsGeographyarthropodscsm-featuredcaterpillarscsm2026bird foodearth2025phenologyinsectsbiodiversitycsm2025
Chestnut Mega-Transect
Document status of American chestnuts along Appalachian Trail.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentPolicyClimate & WeatherNature & Outdoorstreestreeappalachiancountcounting