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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
Feb 8, 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 Marinesummersciencemobile applicationweather dataparticulate mattercarbon dioxidespringbicyclingclimateweatherwintergirl scoutsec2020carbon monoxidecitizen scienceiphonesmartphone applicationenvironmentdatabasehikingusaequityair qualityairnaturedataair pollutionair pollution monitoringoutdoorsexperimentair quality indexglobal warmingclimate changeautumninvestigationappenvironmental justicecommunity-based monitoringstemandroidclimate monitoring
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 & Environmenttreesurban ecologyclimate changecarbon sequestration
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 & Outdoorsforestecologyforest healthwoodlandstreesdeerwildlifeseedlingswildflowers
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentballoonsballooncompostingcompost
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 & EnvironmentBirds biodiversitytree health across the northern rivers region of new south walesdatabmad affected forest treeslocations of native bell miner colonies birdsbird monitoringaustraliagondwana world heritagelandholdersbell miner associated dieback (bmad)
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologycirculating entomofaunatree speciespollen dispersal distancesfloral traitstimber speciespollination flower ecology tree conservation interaction botany insect entomologytropical rainforestsize and composition of pollinators communities
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.canopytree plantingplantingtrees
Caterpillars Count!
Monitor the seasonality and abundance of foliage arthropods
Multiple locations, including yours!
- Ongoing
Citizen ScienceInsects & PollinatorsEducationEcology & EnvironmentBiologyNature & OutdoorsAnimalsGeographybiodiversityarthropodsbird foodcsm2026insectscsm-featuredcaterpillarsphenologycsm2025earth2025
Chestnut Mega-Transect
Document status of American chestnuts along Appalachian Trail.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentPolicyClimate & WeatherNature & Outdoorsappalachiancountcountingtreetrees