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Acadia National Park's Hawk Watch
Document the population numbers of hawks in Acadia National Park
Bar Harbor, Maine
- Ongoing
Citizen ScienceBirdsnational parksschoodic institute
weather data
within 25 miles
Feb 25, 2026
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Coastal Plains Institute
Adopt an Ephemeral Wetland
Monitor amphibian populations in temporary wetlands
Multiple locations, including yours!
- Ongoing
Citizen ScienceAnimalsNature & OutdoorsClimate & WeatherEducationBiologyEcology & Environmentwetlandscommunity engagementamphibiansgirl scoutsmonitoringcommunity groupsboy scouts
American Kestrel Partnership
Help us learn why American Kestrel populations are declining.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentClimate & WeatherBiologyBirdsNature & OutdoorsAnimalsidahoperegrine
American Meteor Society
American Meteor Society - Meteor observing
Accurate observer reports on fireballs and meteors
Multiple locations, including yours!
- Ongoing
Citizen ScienceEducationNature & OutdoorsGeology & Earth ScienceAstronomy & SpaceClimate & Weatherspace sciencespacemeteoritesat nightmeteorsfireballsnasameteor showerastronomy & spacenightplanets
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 Marineweatherclimateinvestigationsummerwinterenvironmental justicespringdatabasestemdataair quality indexair pollutionec2020iphoneclimate monitoringautumnusacitizen sciencecommunity-based monitoringclimate changebicyclingexperimentoutdoorsair qualityglobal warmingparticulate mattergirl scoutsequityair pollution monitoringmobile applicationapphikingcarbon monoxideandroidnaturecarbon dioxidesciencesmartphone applicationweather dataairenvironment
Arizona Water Watch- ADEQ
Arizona Water Watch
Map wet segments of streams and collect temperature data.
Multiple locations, including yours!
- Ongoing
Citizen ScienceNature & OutdoorsOcean Water MarineEcology & EnvironmentClimate & Weatherwater qualitywet dry mappingstreamsarizonaarizona water watch
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 sequestrationtreesclimate changeurban ecology
National Audubon Society
Audubon's Climate Watch
Participation in Climate Watch provides Audubon scientists with data to validate and refine our models for where species’ ranges will shift under the effects of climate change.
Multiple locations, including yours!
- Ongoing
Citizen SciencePolicyNature & OutdoorsEcology & EnvironmentClimate & WeatherBiologyBirdsbirdingclimate
Natural History Museum
Big Seaweed Search
Explore the distribution of UK and invasive seaweeds.
Multiple locations, including yours!
- Ongoing
Citizen ScienceOcean Water MarineEcology & EnvironmentClimate & WeatherNature & OutdoorsBiologymarinebeachseaweedseaweedsinvasiveseashoreoceanseaocean & waterin oceansat the beachukbeach walkrockpoolocean conservationtidepool
Bleach Patrol
Monitor Global Coral Bleaching Events
Anywhere
- Ongoing
Citizen ScienceEducationOcean Water MarineBiologyEcology & EnvironmentClimate & WeatherPolicyNature & OutdoorsGeology & Earth ScienceGeographyAnimalscoral bleachingreefbleachingreef healthcoralcoral reef