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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
Mar 13, 2026
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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 Marineautumnair pollutioncarbon dioxidebicyclingspringcarbon monoxideclimate changemobile applicationnaturedatabaseiphoneweatherair pollution monitoringinvestigationwinterenvironmentapphikingsciencesmartphone applicationclimateair quality indexexperimentparticulate matterairenvironmental justicestemequityusagirl scoutsweather datacitizen scienceair qualityec2020outdoorssummerglobal warmingcommunity-based monitoringclimate monitoringdataandroid
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 & Environmentcarbon sequestrationurban ecologyclimate changetrees
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 healthwildflowerswoodlandstreesecologywildlifeforestseedlingsdeer
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentcompostcompostingballoonballoons
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 & EnvironmentBirdsaustraliadatabird monitoringbell miner associated dieback (bmad)locations of native bell miner colonies biodiversitytree health across the northern rivers region of new south waleslandholdersbmad affected forest trees birdsgondwana world heritage
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 & EnvironmentBiologysize and composition of pollinators communitiestropical rainforesttimber speciestree speciespollination flower ecology tree conservation interaction botany insect entomologyfloral traitscirculating entomofaunapollen dispersal distances
Casey Trees
To restore, enhance and protect the trees of Washington DC
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsBiologycanopyplantingtreestree plantingwashington d.c.