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Jun 12, 2026

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Citizens for Radioactive Radon Reduction (CR3)

2025-26 CR3 Radon Superheroes Calendar_ EDITION 7: ENGLISH, SPANISH & FRENCH

To help children and families learn about radon in a fun way!

Anywhere

Ongoing

Citizen ScienceHealth & MedicineEducationCrowd Fundingtravelcenterlibraryenvironmentsuperheroeslegislationcr3healthhospitalsradonschoolradonrivals

ScienceAtHome, Aarhus University

Alien CODE

Study human problem-solving

Anywhere

Ongoing

Citizen SciencePhysicsSocial SciencePsychologygamealien gameproblem-solvinghumancitizen sciencecomplex problemshybrid intelligenceintuition

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 Marineclimate changeenvironmentair pollution monitoringdatacommunity-based monitoringoutdoorsnatureair quality indexenvironmental justicegirl scoutsair qualityappweather datacarbon dioxidesmartphone applicationautumnscienceclimatespringexperimenthikingusacitizen scienceiphoneglobal warmingcarbon monoxideequitywinterparticulate matterweatherbicyclingmobile applicationairstemec2020summerair pollutionclimate monitoringinvestigationandroiddatabase

Atlas of Living Australia

Create a database of Australian biodiversity.

Multiple locations, including yours!

Ongoing

Citizen ScienceBirdsOcean Water MarineEcology & EnvironmentAnimalsBiologyTransportationNature & OutdoorsCrowd FundingEducationInsects & Pollinatorsna

BioCurious

Making biology accessible!

Multiple locations, including yours!

Ongoing

Citizen SciencePolicyComputers & TechnologyCrowd FundingPhysicsFoodChemistryBiologyEducationnalibraryhackerspacesynthetic biologydiybio

Earth Institute of Columbia University

BiteBytes

monitor mosquitoes using a smartphone application

Anywhere

Ongoing

Citizen ScienceInsects & PollinatorsEcology & Environmentmosquitomonitoringsmartphone app

Cyanobacteria Monitoring Collaborative

bloomWatch

Provide image notification of cyanobacteria blooms

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEducationClimate & WeatherEcology & EnvironmentOcean Water MarineSocial SciencePolicyBiologycyanobacteriahabsharmful algal bloomsharmful cyanobacteria blooms

National Audubon Society

Christmas Bird Count

Contribute to the science of bird conservation

Multiple locations, including yours!

Ongoing

Citizen ScienceClimate & WeatherBirdsNature & OutdoorsBiologyEcology & EnvironmentPolicychristmascbcbirdwinter bird count

Portal - CIÊNCIA CIDADÃ

CIÊNCIA CIDADÃ: Democratização da Ciência e uma Alternativa aos Cientistas

Promover a divulgação de projetos de ciência cidadã no Brasil

Multiple locations, including yours!

Ongoing

Citizen ScienceComputers & TechnologyCrowd Fundingwebportalinternetciência cidadãbrasilcitizen scienceportuguês

Cochrane

Cochrane Crowd

Contribute to better health care. No experience necessary!

Anywhere

Ongoing

Citizen ScienceHealth & MedicineBiologyhealth evidenceillnessesrctscreeningbiomedicalresearchingcochranemedicinehealth carerandomized controlled trialsclinical trialsdiseaseillnessdatabaseresearcharticlesmedicalhealthcareevidence based medicinetreatmentscitationsrandomised controlled trialshealthdiagnosismedicinesarticleebmdiseases

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