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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 8, 2025
116 opportunities found! use fewer search filter criteria to find more opportunities
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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 Marineenvironmental justiceweather dataequitygirl scoutsiphoneair qualitynatureinvestigationec2020androidsummercarbon monoxidescienceoutdoorshikingair pollutionmobile applicationclimate monitoringdatacommunity-based monitoringsmartphone applicationusabicyclingcarbon dioxidewinterair pollution monitoringspringenvironmentparticulate matterappdatabaseautumnairglobal warmingclimatecitizen sciencestemair quality indexexperimentweatherclimate change
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 & Outdoorstreeswoodlandsforestdeerecologyforest healthwildflowerswildlifeseedlings
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentballoonballoonscompostcomposting