trees

within 25 miles

May 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 & Technologyinventoryremote sensingforestlidarscanningmonitoringdronescomputer vision

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 Marineenvironmental justicemobile applicationcarbon dioxidesummerequitydatascienceglobal warmingparticulate matterair pollution monitoringandroidsmartphone applicationcarbon monoxidebicyclingspringairiphonegirl scoutscommunity-based monitoringoutdoorsair qualityclimateweather dataec2020natureusaautumnweatherhikingstemclimate monitoringair pollutioninvestigationenvironmentexperimentclimate changecitizen sciencedatabaseair quality indexappwinter

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 & Outdoorsforest healthseedlingsdeerwildlifewildflowerswoodlandsforesttreesecology

Airigami

Balloon Breakdown

Help compost 40,000 latex balloons

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & Environmentcompostingballoonsballooncompost

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 & EnvironmentBirdslandholderstree health across the northern rivers region of new south walesbell miner associated dieback (bmad) birdsdata treesaustralialocations of native bell miner coloniesgondwana world heritage biodiversitybird monitoringbmad affected forest

Zooniverse

Buzzy Bee - African Canopy Pollinators

Study pollination of Central African timber species

Anywhere

Ongoing

Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologytree speciespollen dispersal distancestimber speciesfloral traitscirculating entomofaunapollination flower ecology tree conservation interaction botany insect entomologytropical rainforestsize and composition of pollinators communities

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.treestree plantingplantingcanopy

Caterpillars Count!

Monitor the seasonality and abundance of foliage arthropods

Multiple locations, including yours!

Ongoing

Citizen ScienceInsects & PollinatorsEducationEcology & EnvironmentBiologyNature & OutdoorsAnimalsGeographybiodiversityphenologyarthropodscsm-featuredcsm2026earth2025bird foodcsm2025insectscaterpillars

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