We're in beta! If you find a bug or have feedback, let us know in our 
Ancient Tree Inventory
To build a living database of ancient trees
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsBiologytrees, united kingdom
tree
within 25 miles
Jul 15, 2025
91 opportunities found! use fewer search filter criteria to find more opportunities
Filters
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 Marineiphoneweather dataair pollutionsummerec2020bicyclingairair qualitystemandroidenvironmental justiceoutdoorsnatureenvironmentclimate changewinterparticulate matterequitycitizen scienceexperimentsciencedatabaseair pollution monitoringcommunity-based monitoringgirl scoutsautumnclimate monitoringweathersmartphone applicationcarbon dioxidehikingcarbon monoxideappglobal warmingdataair quality indexinvestigationspringmobile applicationclimateusa
Arizona Game and Fish Department
Arizona Game and Fish: Habitat Project | Apache Maid Fence Project
Apache Maid Arizona
- August 15, 2025 at 7:00 AM
CommunityGeneral Science
Arizona Game and Fish Department
Arizona Game and Fish: Habitat Project | Apache Maid Fence Project
Apache Maid Arizona
- August 1, 2025 at 7:00 AM
CommunityGeneral Science
Arizona Game and Fish Department
Arizona Game and Fish: Habitat Project | Apache Maid Fence Project
Apache Maid Arizona
- July 25, 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 changetreesurban ecologycarbon sequestration
Cornell University/New York Department of Environmental Conservation
AVID (Assessing Vegetation Impacts by 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 ScienceNature & OutdoorsEcology & EnvironmentAnimalswildflowersforestwoodlandstreeswildlifeforest healthecologydeerseedlings
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentcompostingcompostballoonsballoon
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 & EnvironmentBirds birds treesbmad affected forestbird monitoringtree health across the northern rivers region of new south wales biodiversitylocations of native bell miner colonieslandholdersbell miner associated dieback (bmad)australiadatagondwana world heritage
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologyfloral traitscirculating entomofaunatree speciespollination flower ecology tree conservation interaction botany insect entomologytropical rainforesttimber speciessize and composition of pollinators communitiespollen dispersal distances