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Apr 25, 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 Marineoutdoorsdatabaseair pollution monitoringbicyclingec2020stemusaautumnenvironmental justicesummerglobal warmingenvironmentcommunity-based monitoringhikingclimate monitoringinvestigationspringexperimentclimate changeair pollutionwinterair qualityair quality indexscienceweather datadataiphoneparticulate matteraircitizen scienceweathergirl scoutsnaturesmartphone applicationappclimatecarbon dioxideequityandroidmobile applicationcarbon monoxide

Arizona Science Center

Arizona Science Center: Dorrance DOME After Hours – Orbital

Arizona Science Center Arizona

April 30, 2026 at 7:00 AM

CommunityGeneral Science

Arizona - Sonora Desert Museum

Arizona – Sonora Desert Museum: Birding the Chiricahuas

Arizona - Sonora Desert Museum Arizona

May 1, 2026 at 7:00 AM

CommunityGeneral Science

Athenian

Athenian Clubhouse

Wondering how to level up your skills and make your high school resume shine? Join the virtual STEM club - Athenian!

Anywhere

Ongoing

CampClubCommunityCompetitionCreate-a-ThonForumMake-a-ThonMakerMaker FaireMediaResearchScience_BloggingServiceTinkerTinker FaireTrainingVolunteeringWorkshopProfessional DevelopmentAstronomy & SpaceArtChemistryComputers & TechnologyDesignEducationEngineeringGeneral ScienceMathematicsPhysicsRoboticsTechnologyTransportationAwardsportfolioleadershipafterschoolcollege prepextra curricular clubgirls onlycapstone projectSTEM clubcareer exploration

Atlas of Living Australia

Create a database of Australian biodiversity.

Multiple locations, including yours!

Ongoing

Citizen ScienceBirdsOcean Water MarineEcology & EnvironmentAnimalsBiologyTransportationNature & OutdoorsCrowd FundingEducationInsects & Pollinatorsna

Austin Youth River Watch

Austin Youth River Watch After-School Program

River Watchers meet once a week after-school to learn about nature, practice hands-on environmental science, and share outdoor adventures!

Multiple locations, including yours!

Ongoing

Citizen ScienceClean UpCommunityServiceEcology & EnvironmentEducationafterschoolhighschoolnature

TUSD

Be an Invention Convention Judge!

We are currently seeking online and in-person judges for the California Invention Convention taking place on 3/29/25 at El Camino College.

Multiple locations, including yours!

Ongoing

CommunityExhibitionCompetitionFestivalMaker FaireBiologyChemistryComputers & TechnologyEducationEngineeringGeneral ScienceGeographyGeology & Earth ScienceHealth & MedicineMathematicsPhysicsRoboticsTechnologyTransportationscienceInventionjudgeinvention convention

SPOTTERON GmbH

BiciZen

BiciZen is a platform to make cities more bikeable.

Anywhere

Ongoing

Citizen ScienceTransportationEducationEcology & Environmentbikingcyclistscitizen sciencecitycitiescyclingroad safetybike

Chandler Public Library

Chandler Public Library: LEGO Club – May the 4th Starships!

Chandler Public Library - Sunset Campus Arizona

May 4, 2026 at 7:00 AM

CommunityGeneral Science

CitSci.org

CitSci

Serve citizen science needs through an online data platform

Anywhere

Ongoing

Citizen ScienceSocial ScienceClimate & WeatherNature & OutdoorsHealth & MedicineTransportationArchaeology & CulturalOcean Water MarineGeographyBiologyInsects & PollinatorsEcology & EnvironmentAnimalsAgricultureFoodComputers & TechnologyGeology & Earth ScienceBirdsEducationfishcitizen-based monitoringcitizen scienceamphibiansfrogswater qualityplatformcitsci.orgbatsinvasive speciesmonitoringstream monitoringcreekscitscik-12 classroomplants

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