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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
trees
within 25 miles
Mar 10, 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 Marineclimate monitoringcarbon dioxidewinterusacitizen sciencenatureenvironmental justiceautumnbicyclingdatabaseair pollutionair qualityappcommunity-based monitoringstemsmartphone applicationoutdoorsclimatesummermobile applicationair quality indexglobal warmingweather dataec2020iphoneclimate changeweatherspringgirl scoutsair pollution monitoringdatahikingequityandroidinvestigationenvironmentexperimentairparticulate mattercarbon monoxidescience
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 changecarbon sequestrationtreesurban ecology
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 & Outdoorsecologywildlifedeerforest healthwildflowersforestseedlingswoodlandstrees
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentballooncompostingcompostballoons
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 monitoringaustraliagondwana world heritagelocations of native bell miner colonies biodiversitybmad affected forestlandholdersdata treesbell miner associated dieback (bmad)tree health across the northern rivers region of new south wales birds
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologytree speciescirculating entomofaunapollination flower ecology tree conservation interaction botany insect entomologysize and composition of pollinators communitiesfloral traitstimber speciestropical rainforestpollen dispersal distances
Casey Trees
To restore, enhance and protect the trees of Washington DC
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsBiologyplantingwashington d.c.treescanopytree planting
Caterpillars Count!
Monitor the seasonality and abundance of foliage arthropods
Multiple locations, including yours!
- Ongoing
Citizen ScienceInsects & PollinatorsEducationEcology & EnvironmentBiologyNature & OutdoorsAnimalsGeographyarthropodscsm2026bird foodcsm2025earth2025csm-featuredinsectsbiodiversityphenologycaterpillars
Chestnut Mega-Transect
Document status of American chestnuts along Appalachian Trail.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentPolicyClimate & WeatherNature & Outdoorscounttreecountingtreesappalachian