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 Marineiphoneclimate changeparticulate matterglobal warmingbicyclingenvironmental justiceclimate monitoringweather dataweatherec2020natureautumnhikingsummerair pollutioncarbon dioxideairgirl scoutsusasmartphone applicationenvironmentexperimentmobile applicationdataandroidstemappspringinvestigationair quality indexwinterair pollution monitoringequityair qualitycitizen sciencecommunity-based monitoringcarbon monoxidedatabasescienceoutdoorsclimate

SPOTTERON GmbH

BiciZen

BiciZen is a platform to make cities more bikeable.

Anywhere

Ongoing

Citizen ScienceTransportationEducationEcology & Environmentcitycyclistscitiescitizen sciencecyclingbikeroad safetybiking

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 projectbicyclefabricationevafterschoolebike

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 & Medicinecommunitybikepedestriantransitsafetyhealthwalkbicycle

Tucson Bird Alliance

Tucson Bird Alliance: Crossroads Park at Silverbell Field Trip

Crossroads at Silverbell District Park Arizona

October 7, 2025 at 7:00 AM

CommunityGeneral Science