trees

within 25 miles

May 2, 2026

Near

Distance

From

Until

103 opportunities found! use fewer search filter criteria to find more opportunities

Filters

Activity Type

Age

Kids Friendly Only

21+ Only

Participant Age Range Minimum

100

Participant Age Range Maximum

100

Cost

Any Cost Free Only

Topic

Venue Type

Host Organization

Partner Organization

University of Freiburg

3Dtrees.earth

Collect data and tools for LiDAR-based forest monitoring

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentGeographyComputers & Technologylidarinventoryremote sensingcomputer visionmonitoringforestdronesscanning

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 Marinedatabaseclimate monitoringair pollution monitoringappsummerstemair quality indexdataclimateexperimentenvironmental justiceweathercarbon monoxideoutdoorscitizen scienceair pollutioninvestigationandroidnaturespringairbicyclingmobile applicationequityglobal warmingwinterusagirl scoutscommunity-based monitoringiphoneweather dataair qualityec2020smartphone applicationcarbon dioxideenvironmentparticulate matterhikingautumnclimate changescience

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 & Outdoorswildlifetreesdeerseedlingsforest healthwildflowersforestwoodlandsecology

Airigami

Balloon Breakdown

Help compost 40,000 latex balloons

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & Environmentballooncompostingcompostballoons

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 & EnvironmentBirdsbird monitoringlandholdersbmad affected forestgondwana world heritagedatabell miner associated dieback (bmad) trees birdstree health across the northern rivers region of new south wales biodiversitylocations of native bell miner coloniesaustralia

Zooniverse

Buzzy Bee - African Canopy Pollinators

Study pollination of Central African timber species

Anywhere

Ongoing

Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologycirculating entomofaunatree speciespollen dispersal distancestimber speciespollination flower ecology tree conservation interaction botany insect entomologytropical rainforestsize and composition of pollinators communitiesfloral traits

Casey Trees

To restore, enhance and protect the trees of Washington DC

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsBiologyplantingtreestree plantingwashington d.c.canopy

Caterpillars Count!

Monitor the seasonality and abundance of foliage arthropods

Multiple locations, including yours!

Ongoing

Citizen ScienceInsects & PollinatorsEducationEcology & EnvironmentBiologyNature & OutdoorsAnimalsGeographyearth2025caterpillarscsm2025biodiversityinsectscsm2026arthropodscsm-featuredbird foodphenology

12 3 4 5…

Share Your Results

Share the list by copying the link below

Copy Link