trees

within 25 miles

Mar 16, 2026

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University of Freiburg

3Dtrees.earth

Collect data and tools for LiDAR-based forest monitoring

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentGeographyComputers & Technologyforestlidardronesinventorycomputer visionmonitoringscanningremote 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 Marineair qualityoutdoorswinterexperimentair pollutionmobile applicationparticulate matteraircarbon dioxideweatherappautumndatabasegirl scoutsscienceclimate monitoringenvironmentdataweather datausacommunity-based monitoringsmartphone applicationcarbon monoxideair pollution monitoringinvestigationspringequityglobal warmingclimate changehikingnatureair quality indexbicyclingclimatecitizen sciencestemsummerenvironmental justiceec2020androidiphone

Arizona Worm Farm

Arizona Worm Farm: VIP Tour

Arizona Worm Farm Arizona

March 21, 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 & Environmentclimate changetreescarbon sequestrationurban ecology

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 & Outdoorswildflowersforestforest healthwildlifeecologywoodlandsdeertreesseedlings

Airigami

Balloon Breakdown

Help compost 40,000 latex balloons

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & Environmentcompostingcompostballoonballoons

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 & EnvironmentBirdsdatatree health across the northern rivers region of new south walesbird monitoringgondwana world heritagebell miner associated dieback (bmad)bmad affected forest biodiversitylocations of native bell miner colonies birds treesaustralialandholders

Butterfly Wonderland

Butterfly Wonderland: “Wine & Wings” Date Night

Butterfly Wonderland Arizona

March 27, 2026 at 7:00 AM

CommunityGeneral Science

Zooniverse

Buzzy Bee - African Canopy Pollinators

Study pollination of Central African timber species

Anywhere

Ongoing

Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologypollination flower ecology tree conservation interaction botany insect entomologytree speciestropical rainforestsize and composition of pollinators communitiescirculating entomofaunapollen dispersal distancesfloral traitstimber species

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