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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 14, 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 Marineequityappnaturestemairusaair quality indexglobal warmingmobile applicationspringweather dataec2020girl scoutssummerautumndatabaseclimate monitoringoutdoorsenvironmentclimatecarbon monoxideair pollution monitoringweatherandroidscienceiphoneclimate changecommunity-based monitoringbicyclingcarbon dioxidecitizen scienceparticulate matterhikingdatawinterexperimentair qualitysmartphone applicationair pollutionenvironmental justiceinvestigation
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 sequestrationurban ecologytrees
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 & Outdoorsdeertreesecologyforest healthwildflowerswildlifewoodlandsforestseedlings
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 & EnvironmentBirdslocations of native bell miner coloniesbmad affected forestlandholdersbell miner associated dieback (bmad) birds treesgondwana world heritagebird monitoringtree health across the northern rivers region of new south wales biodiversityaustraliadata
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologypollination flower ecology tree conservation interaction botany insect entomologypollen dispersal distancescirculating entomofaunatree speciessize and composition of pollinators communitiestimber speciesfloral traitstropical rainforest
Casey Trees
To restore, enhance and protect the trees of Washington DC
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsBiologyplantingcanopytree plantingtreeswashington d.c.
Caterpillars Count!
Monitor the seasonality and abundance of foliage arthropods
Multiple locations, including yours!
- Ongoing
Citizen ScienceInsects & PollinatorsEducationEcology & EnvironmentBiologyNature & OutdoorsAnimalsGeographyearth2025caterpillarsphenologyinsectscsm-featuredbird foodarthropodscsm2026csm2025biodiversity
Chestnut Mega-Transect
Document status of American chestnuts along Appalachian Trail.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentPolicyClimate & WeatherNature & Outdoorstreescountcountingtreeappalachian