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Ancient Tree Inventory
To build a living database of ancient trees
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsBiologytrees, united kingdom
trees
within 25 miles
Dec 7, 2025
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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 Marineweather datainvestigationenvironmentmobile applicationsmartphone applicationec2020climate monitoringnatureenvironmental justicescienceusahikingair qualityweatherclimate changeandroiddatabicyclingstemclimateequityairautumnparticulate matterexperimentglobal warmingiphoneappsummerspringcommunity-based monitoringcarbon dioxidegirl scoutscitizen scienceair pollution monitoringair pollutionwintercarbon monoxidedatabaseair quality indexoutdoors
Arizona Worm Farm
Arizona Worm Farm: Pomegranate/Fig Tree Basics – Include the Tree
Arizona Worm Farm Arizona
- December 27, 2025 at 7:00 AM
CommunityGeneral Science
Arizona Worm Farm
Arizona Worm Farm: Pomegranate/Fig Tree Basics – Include the Tree
Arizona Worm Farm Arizona
- December 12, 2025 at 7:00 AM
CommunityGeneral Science
Arizona Worm Farm
Arizona Worm Farm: Stone Fruit Tree Pruning Workshop
Arizona Worm Farm Arizona
- December 27, 2025 at 7:00 AM
CommunityGeneral Science
Arizona Worm Farm
Arizona Worm Farm: Stone Fruit Tree Pruning Workshop
Arizona Worm Farm Arizona
- December 27, 2025 at 7:00 AM
CommunityGeneral Science
Arizona Worm Farm
Arizona Worm Farm: VIP Tour
Arizona Worm Farm Arizona
- December 13, 2025 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 changecarbon sequestrationurban ecologytrees
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 & Outdoorswoodlandswildflowersecologywildlifedeerseedlingsforestforest healthtrees
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentcompostingballooncompostballoons