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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
Mar 11, 2026
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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 Marinecitizen sciencedataglobal warmingparticulate mattersmartphone applicationequityusasciencemobile applicationgirl scoutsairiphonehikingcommunity-based monitoringcarbon monoxidespringenvironmentweather dataair pollutionstemclimate monitoringbicyclingec2020air pollution monitoringenvironmental justiceair quality indexoutdoorswinterexperimentclimateweatherautumnandroidinvestigationair qualityappnaturecarbon dioxidesummerdatabaseclimate change
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 & Environmentcarbon sequestrationurban ecologyclimate changetrees
Cornell University/New York Department of Environmental Conservation
AVID (Assessing Vegetation Impacts from 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 ScienceAnimalsEcology & EnvironmentNature & Outdoorsseedlingswildlifeforestforest healthecologytreeswoodlandswildflowersdeer
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentballooncompostcompostingballoons
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 & EnvironmentBirdsbird monitoringlandholders biodiversitygondwana world heritagebell miner associated dieback (bmad)data birds treestree health across the northern rivers region of new south waleslocations of native bell miner coloniesaustraliabmad affected forest
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologysize and composition of pollinators communitiespollination flower ecology tree conservation interaction botany insect entomologytropical rainforesttree speciestimber speciescirculating entomofaunapollen dispersal distancesfloral traits
Casey Trees
To restore, enhance and protect the trees of Washington DC
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsBiologycanopytree plantingtreeswashington d.c.planting
Caterpillars Count!
Monitor the seasonality and abundance of foliage arthropods
Multiple locations, including yours!
- Ongoing
Citizen ScienceInsects & PollinatorsEducationEcology & EnvironmentBiologyNature & OutdoorsAnimalsGeographyinsectsarthropodscsm2026caterpillarsbird foodbiodiversitycsm2025earth2025csm-featuredphenology
Chestnut Mega-Transect
Document status of American chestnuts along Appalachian Trail.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentPolicyClimate & WeatherNature & Outdoorscounttreecountingappalachiantrees