trees

within 25 miles

May 15, 2026

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University of Freiburg

3Dtrees.earth

Collect data and tools for LiDAR-based forest monitoring

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentGeographyComputers & Technologyremote sensingscanningdronesinventorymonitoringforestcomputer visionlidar

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 Marinedataandroiddatabasestemspringair quality indexequityexperimentsmartphone applicationclimate monitoringair pollution monitoringhikingglobal warmingcitizen scienceweather dataweatherwintergirl scoutsscienceautumnsummerec2020bicyclingair pollutionappmobile applicationcommunity-based monitoringcarbon monoxideusaairiphonenatureclimate changeair qualityenvironmentcarbon dioxideenvironmental justiceparticulate matterclimateoutdoorsinvestigation

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 & Environmenttreesurban ecologyclimate changecarbon sequestration

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 & Outdoorsforesttreeswildflowerswildlifeecologydeerforest healthseedlingswoodlands

Airigami

Balloon Breakdown

Help compost 40,000 latex balloons

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & Environmentballoonscompostballooncomposting

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 birds treesdatabmad affected forestbird monitoringlocations of native bell miner colonieslandholders biodiversitytree health across the northern rivers region of new south walesaustraliagondwana world heritagebell miner associated dieback (bmad)

Zooniverse

Buzzy Bee - African Canopy Pollinators

Study pollination of Central African timber species

Anywhere

Ongoing

Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologytropical rainforesttree speciestimber speciescirculating entomofaunasize and composition of pollinators communitiespollen 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.canopytree plantingplantingtrees

Caterpillars Count!

Monitor the seasonality and abundance of foliage arthropods

Multiple locations, including yours!

Ongoing

Citizen ScienceInsects & PollinatorsEducationEcology & EnvironmentBiologyNature & OutdoorsAnimalsGeographyinsectsearth2025biodiversitycaterpillarsphenologybird foodarthropodscsm2026csm2025csm-featured

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