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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
Jan 31, 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 Marinescienceclimatedataec2020mobile applicationclimate monitoringparticulate matterspringenvironmental justiceairair qualityexperimentair pollutionair quality indexautumnweather datacitizen scienceandroidsmartphone applicationbicyclingcarbon dioxidegirl scoutsenvironmentcommunity-based monitoringsummerair pollution monitoringusaclimate changeoutdoorsweathercarbon monoxidestemwinterequityiphoneappdatabasehikinginvestigationnatureglobal warming
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 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 & Outdoorsdeertreeswoodlandsecologywildlifewildflowersseedlingsforestforest health
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentcompostballoonscompostingballoon
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 & EnvironmentBirdsaustralia birdsgondwana world heritagebell miner associated dieback (bmad) biodiversitydatabird monitoringtree health across the northern rivers region of new south waleslocations of native bell miner colonieslandholdersbmad affected forest trees
Boyce Thompson Arboretum
Boyce Thompson Arboretum: Forest Bathing
Boyce Thompson Arboretum Arizona
- February 7, 2026 at 7:00 AM
CommunityGeneral Science
Boyce Thompson Arboretum
Boyce Thompson Arboretum: Forest Bathing
Boyce Thompson Arboretum Arizona
- February 7, 2026 at 7:00 AM
CommunityGeneral Science
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologysize and composition of pollinators communitiestimber speciespollination flower ecology tree conservation interaction botany insect entomologypollen dispersal distancestree speciescirculating entomofaunatropical rainforestfloral traits
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.canopytreesplantingtree planting