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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 11, 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 Marineair quality indexglobal warmingusastemspringwinterbicyclingnatureautumnenvironmentcarbon monoxideweather datasummersmartphone applicationcitizen sciencecommunity-based monitoringclimate monitoringparticulate matterweatherandroidclimateclimate changeexperimentscienceenvironmental justiceairair pollution monitoringgirl scoutsinvestigationair qualityec2020equityappair pollutiondatamobile applicationiphonecarbon dioxidehikingoutdoorsdatabase
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 & Environmenturban ecologycarbon sequestrationclimate 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 & Outdoorsecologywildflowersdeertreesforestwildlifewoodlandsseedlingsforest health
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentcompostingcompostballoonballoons
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 & EnvironmentBirdsdata birds biodiversity treeslandholdersbell miner associated dieback (bmad)gondwana world heritagelocations of native bell miner coloniesbird monitoringtree health across the northern rivers region of new south walesbmad affected forestaustralia
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologytimber speciessize and composition of pollinators communitiescirculating entomofaunatropical rainforestfloral traitspollination flower ecology tree conservation interaction botany insect entomologypollen dispersal distancestree species
Casey Trees
To restore, enhance and protect the trees of Washington DC
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsBiologytreescanopytree plantingplantingwashington d.c.
Caterpillars Count!
Monitor the seasonality and abundance of foliage arthropods
Multiple locations, including yours!
- Ongoing
Citizen ScienceInsects & PollinatorsEducationEcology & EnvironmentBiologyNature & OutdoorsAnimalsGeographycsm2026csm-featuredbird foodarthropodsearth2025biodiversityinsectscsm2025caterpillarsphenology
Chestnut Mega-Transect
Document status of American chestnuts along Appalachian Trail.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentPolicyClimate & WeatherNature & Outdoorstreescounttreeappalachiancounting