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 Marineairair qualityusaweatheroutdoorsscienceparticulate matterdatabaseandroidweather datacommunity-based monitoringgirl scoutssummerclimate changeiphonesmartphone applicationenvironmental justiceclimate monitoringhikingspringexperimentstemair quality indexnatureglobal warmingcitizen scienceautumnec2020dataenvironmentcarbon monoxideequityair pollution monitoringclimateair pollutionwinterappcarbon dioxidemobile applicationinvestigationbicycling

SPOTTERON GmbH

BiciZen

BiciZen is a platform to make cities more bikeable.

Anywhere

Ongoing

Citizen ScienceTransportationEducationEcology & Environmentbikecitiesroad safetycyclistscitycyclingbikingcitizen science

Athenian

e-Bike Conversion Project Workshop

Showcase your talents for fabrication, engineering and design by converting your bicyle to an e-bike. The perfect portfolio project to talk about in college essays.

Anywhere

Ongoing

CampClubMakerTinkerCreate-a-ThonHack-a-ThonMake-a-ThonProfessional DevelopmentTrainingWorkshopArtComputers & TechnologyEngineeringTechnologyTransportationDesignEducationGeneral ScienceMathematicsPhysicsRoboticscapstone projectevfabricationebikeafterschoolbicycle

SportsZone

SportsZone is a new permanent exhibition that explores how sport connects the science of the human body, laws of motion, and technical innovation.

Philadelphia, Pennsylvania

Ongoing

CompetitionExhibitionHealth & Medicine

SafeTREC, UC Berkeley

Street Story: Give Your Input on Safe Streets

Collect and provide information about community members’ experiences using transportation networks.

Multiple locations, including yours!

Ongoing

Citizen ScienceTransportationComputers & TechnologyEcology & EnvironmentHealth & Medicinewalktransitpedestriansafetybikehealthbicyclecommunity

Tucson Amateur Astronomy Association

Tucson Amateur Astronomy Association: Solar Telescope Observing @ Saguaro NP – East

Saguaro National Park Arizona

April 5, 2026 at 7:00 AM

CommunityGeneral Science