HabitatMap

AirCasting

Crowdsource air quality data & clear the air!

Anywhere

Ongoing

Citizen ScienceEducationEcology & EnvironmentComputers & Technologyearth2025air pollutionandroidcsm2025heart ratecsm2026libraryarduinoappnoiseair qualityair-qualitypollution

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 Marineappcarbon dioxideinvestigationexperimentair qualityairgirl scoutsweatherandroidspringnatureclimateair pollutionequityweather dataautumnoutdoorsdatasummermobile applicationec2020hikingenvironmentwinterscienceair pollution monitoringsmartphone applicationclimate changecitizen scienceenvironmental justiceiphonebicyclingcommunity-based monitoringstemcarbon monoxideair quality indexglobal warmingdatabaseclimate monitoringusaparticulate matter

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 & OutdoorsBiologyseaukbeach walkocean & waterat the beachseashoreinvasivetidepoolbeachocean conservationin oceansseaweedoceanmarineseaweedsrockpool

Daily Live Science Demonstrations

Join us at the PECO Live Science Stage in the main Atrium and Demonstration Theater on the third floor for dynamic shows happening throughout the day from 11am to 4pm!

Philadelphia, Pennsylvania

Ongoing

Live ScienceBiologyChemistry