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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
Nov 28, 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 Marinedatabasenaturebicyclinggirl scoutsstemappinvestigationwinterandroidhikingdataspringscienceair quality indexcommunity-based monitoringiphonemobile applicationautumncarbon dioxidesummerclimateequityoutdoorsair qualityair pollutionclimate changeglobal warmingclimate monitoringparticulate mattersmartphone applicationenvironmental justicecitizen scienceweather dataairair pollution monitoringcarbon monoxideusaexperimentec2020weatherenvironment
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 sequestrationtreesclimate changeurban 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 & Outdoorsecologyforest healthseedlingstreeswildflowersdeerwildlifewoodlandsforest
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentballoonsballooncompostcomposting
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 & EnvironmentBirdsaustraliagondwana world heritagelandholderstree health across the northern rivers region of new south walesdatabell miner associated dieback (bmad) treesbmad affected forest biodiversitybird monitoring birdslocations of native bell miner colonies
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologytimber speciescirculating entomofaunapollen dispersal distancesfloral traitssize and composition of pollinators communitiestropical rainforesttree speciespollination flower ecology tree conservation interaction botany insect entomology
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 & OutdoorsAnimalsGeographycsm2025csm-featuredcaterpillarsearth2025arthropodsbird foodphenologybiodiversitycsm2026insects
Chestnut Mega-Transect
Document status of American chestnuts along Appalachian Trail.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentPolicyClimate & WeatherNature & Outdoorstreecountingtreesappalachiancount