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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
Nov 4, 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 Marineexperimentautumnwinterandroidiphoneparticulate matterscienceweatherec2020carbon monoxidecitizen scienceair pollutionair pollution monitoringenvironmental justiceair quality indexglobal warmingclimate changemobile applicationsmartphone applicationclimatesummerequityhikingcarbon dioxideweather datastemspringclimate monitoringgirl scoutsdatabasedataenvironmentoutdoorsairair qualitycommunity-based monitoringnaturebicyclinginvestigationusaapp
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 & Environmenttreescarbon sequestrationclimate changeurban ecology
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 & EnvironmentAnimalsdeerwildlifeforesttreeswoodlandsforest healthecologywildflowersseedlings
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentcompostballoonballoonscomposting
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 & EnvironmentBirdsdatabmad affected forestaustraliagondwana world heritagebird monitoringlandholderstree health across the northern rivers region of new south wales birdsbell miner associated dieback (bmad) biodiversity treeslocations of native bell miner colonies
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologypollination flower ecology tree conservation interaction botany insect entomologysize and composition of pollinators communitiescirculating entomofaunafloral traitstropical rainforesttree speciestimber speciespollen dispersal distances
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.canopyplantingtreestree planting
Caterpillars Count!
Monitor the seasonality and abundance of foliage arthropods
Multiple locations, including yours!
- Ongoing
Citizen ScienceInsects & PollinatorsEducationEcology & EnvironmentBiologyNature & OutdoorsAnimalsGeographycsm2026csm-featuredearth2025caterpillarsphenologyinsectscsm2025bird foodbiodiversityarthropods
Chestnut Mega-Transect
Document status of American chestnuts along Appalachian Trail.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentPolicyClimate & WeatherNature & Outdoorstreesappalachiancountingtreecount