trees

within 25 miles

Apr 21, 2026

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University of Freiburg

3Dtrees.earth

Collect data and tools for LiDAR-based forest monitoring

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentGeographyComputers & Technologyforestcomputer visionscanningdroneslidarmonitoringinventoryremote sensing

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 Marineinvestigationusadataoutdoorsenvironmental justicemobile applicationspringsmartphone applicationequitynatureautumnweatherair qualitycarbon monoxideglobal warmingscienceandroidsummerwinteriphoneair pollutionclimate monitoringhikingcitizen scienceparticulate matterair pollution monitoringbicyclingair quality indexaircommunity-based monitoringec2020databaseexperimentweather dataclimate changegirl scoutsappclimateenvironmentcarbon dioxidestem

Arizona State Parks & Trails

Arizona State Parks & Trails: Ethnobotany Guided Hike at Red Rock

Red Rock State Park Arizona

April 26, 2026 at 7:00 AM

CommunityGeneral Science

Arizona State Parks & Trails

Arizona State Parks & Trails: Picnic with the Pendleys

Slide Rock State Park Arizona

April 25, 2026 at 7:00 AM

CommunityGeneral Science

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 & Environmenttreesclimate changeurban ecologycarbon 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 & Outdoorsforest healthdeertreesecologywildlifeseedlingswoodlandsforestwildflowers

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 & EnvironmentBirdsdatabell miner associated dieback (bmad) birdsbmad affected forest treeslocations of native bell miner coloniesaustraliagondwana world heritagetree health across the northern rivers region of new south walesbird monitoring biodiversitylandholders

Zooniverse

Buzzy Bee - African Canopy Pollinators

Study pollination of Central African timber species

Anywhere

Ongoing

Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologytropical rainforestpollination flower ecology tree conservation interaction botany insect entomologycirculating entomofaunafloral traitssize and composition of pollinators communitiestree speciestimber speciespollen dispersal distances

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