trees

within 25 miles

Jun 10, 2026

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University of Freiburg

3Dtrees.earth

Collect data and tools for LiDAR-based forest monitoring

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentGeographyComputers & Technologymonitoringdronesforestinventoryremote sensinglidarcomputer visionscanning

Ancient Tree Inventory

To build a living database of ancient trees

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsBiologytrees, united kingdom

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 Marineclimatesummerdatabaseair pollutionweatherclimate changestemspringandroidnatureoutdoorsmobile applicationautumnusainvestigationweather dataaircarbon dioxidecommunity-based monitoringenvironmentbicyclinghikingec2020air pollution monitoringiphoneexperimentglobal warmingappcarbon monoxideair qualityparticulate matterair quality indexdatascienceenvironmental justicecitizen sciencegirl scoutsclimate monitoringwintersmartphone applicationequity

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 sequestrationtreesclimate 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 & Outdoorsforestwildflowersforest healthwoodlandsecologyseedlingswildlifedeertrees

Airigami

Balloon Breakdown

Help compost 40,000 latex balloons

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & Environmentballoonscompostingballooncompost

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 & EnvironmentBirds biodiversitylocations of native bell miner colonies treesgondwana world heritagebird monitoringaustralialandholderstree health across the northern rivers region of new south wales birdsdatabmad affected forestbell miner associated dieback (bmad)

Zooniverse

Buzzy Bee - African Canopy Pollinators

Study pollination of Central African timber species

Anywhere

Ongoing

Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologypollen dispersal distancestimber speciesfloral traitscirculating entomofaunatree speciestropical rainforestsize and composition of pollinators communitiespollination 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 & OutdoorsBiologyplantingcanopytreestree plantingwashington d.c.

Caterpillars Count!

Monitor the seasonality and abundance of foliage arthropods

Multiple locations, including yours!

Ongoing

Citizen ScienceGeographyAnimalsNature & OutdoorsBiologyEcology & EnvironmentEducationInsects & Pollinatorscsm2025phenologyearth2025insectsarthropodsbird foodcsm2026biodiversitycsm-featuredcaterpillars

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