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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
Mar 8, 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 Marinemobile applicationweatherclimate changeclimate monitoringandroidhikingec2020equitynatureairglobal warminginvestigationsciencegirl scoutsair qualityair pollution monitoringwinterautumncarbon dioxideweather dataoutdoorsappcommunity-based monitoringdataparticulate matterstemair quality indexiphoneclimatesmartphone applicationenvironmental justicecarbon monoxidedatabaseair pollutionbicyclingcitizen sciencespringexperimentsummerenvironmentusa
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 sequestrationurban ecologyclimate 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 & Outdoorsforest healthdeerecologywildflowersseedlingswoodlandswildlifetreesforest
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentcompostingballoonscompostballoon
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 treeslandholdersaustraliabell miner associated dieback (bmad)locations of native bell miner colonies birdsdata biodiversitybmad affected forestgondwana world heritagebird monitoring
Boyce Thompson Arboretum
Boyce Thompson Arboretum: Forest Bathing
Boyce Thompson Arboretum Arizona
- Ongoing through March 8, 2026 at 6:59 AM
CommunityGeneral Science
Boyce Thompson Arboretum
Boyce Thompson Arboretum: Forest Bathing
Boyce Thompson Arboretum Arizona
- Ongoing through March 8, 2026 at 6:59 AM
CommunityGeneral Science
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologytimber speciessize and composition of pollinators communitiestree speciescirculating entomofaunatropical rainforestpollen dispersal distancesfloral traitspollination 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 & OutdoorsBiologywashington d.c.tree plantingcanopytreesplanting