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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 4, 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 Marineclimateoutdoorsexperimentinvestigationmobile applicationclimate changecarbon dioxideair quality indexsmartphone applicationweather datadatabaseclimate monitoringandroidusacommunity-based monitoringweatherstemwintercitizen scienceparticulate matterhikingair pollution monitoringglobal warmingenvironmentsummerappair qualityec2020iphonespringair pollutiongirl scoutsautumndataenvironmental justicecarbon monoxideequityscienceairnaturebicycling
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 sequestrationtreesurban ecologyclimate change
Cornell University/New York Department of Environmental Conservation
AVID (Assessing Vegetation Impacts by 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 ScienceNature & OutdoorsEcology & EnvironmentAnimalswoodlandstreeswildflowersdeerseedlingsforestforest healthecologywildlife
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 & EnvironmentBirdstree health across the northern rivers region of new south wales biodiversitylocations of native bell miner coloniesbird monitoringaustraliabell miner associated dieback (bmad)bmad affected forestdatagondwana world heritagelandholders trees birds
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologytimber speciesfloral traitstropical rainforestpollination flower ecology tree conservation interaction botany insect entomologysize and composition of pollinators communitiespollen dispersal distancestree speciescirculating entomofauna
Casey Trees
To restore, enhance and protect the trees of Washington DC
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsBiologytree plantingcanopywashington d.c.plantingtrees
Caterpillars Count!
Monitor the seasonality and abundance of foliage arthropods
Multiple locations, including yours!
- Ongoing
Citizen ScienceInsects & PollinatorsEducationEcology & EnvironmentBiologyNature & OutdoorsAnimalsGeographybird foodearth2025csm-featuredcsm2026csm2025caterpillarsarthropodsinsectsphenologybiodiversity
Chestnut Mega-Transect
Document status of American chestnuts along Appalachian Trail.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentPolicyClimate & WeatherNature & Outdoorscountingcounttreestreeappalachian