We're in beta! If you find a bug or have feedback, let us know in our 
ScienceAtHome, Aarhus University
Alien CODE
Study human problem-solving
Anywhere
- Ongoing
Citizen SciencePhysicsSocial SciencePsychologyhybrid intelligenceintuitionalien gameproblem-solvinggamehumancomplex problemscitizen science
crowd
within 25 miles
Aug 11, 2025
57 opportunities found! use fewer search filter criteria to find more opportunities
Filters
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 Marineappglobal warmingdataenvironmentcitizen sciencebicyclingsummeraircarbon dioxideec2020carbon monoxideair pollutionweather dataair qualityweathersmartphone applicationhikingwinterscienceclimate changespringandroidexperimentiphoneclimateequitystemoutdoorsair pollution monitoringair quality indexparticulate mattergirl scoutsautumnclimate monitoringmobile applicationnatureenvironmental justicedatabasecommunity-based monitoringinvestigationusa
Atlas of Living Australia
Create a database of Australian biodiversity.
Multiple locations, including yours!
- Ongoing
Citizen ScienceBirdsOcean Water MarineEcology & EnvironmentAnimalsBiologyTransportationNature & OutdoorsCrowd FundingEducationInsects & Pollinatorsna
Bauhinia Genome
Community Genome Project Sequencing the HK Emblem
Multiple locations, including yours!
- Ongoing
Citizen ScienceBiologyComputers & TechnologyEducationCrowd Fundingplantsgenome projectgenomicsgenetic literacygenomebauhiniadnaasiachinaflower
BioCurious
BioCurious
Making biology accessible!
Multiple locations, including yours!
- Ongoing
Citizen SciencePolicyComputers & TechnologyCrowd FundingPhysicsFoodChemistryBiologyEducationsynthetic biologyhackerspacenalibrarydiybio
Earth Institute of Columbia University
BiteBytes
monitor mosquitoes using a smartphone application
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & Environmentmosquitosmartphone appmonitoring
Cyanobacteria Monitoring Collaborative
bloomWatch
Provide image notification of cyanobacteria blooms
Anywhere
- Ongoing
Citizen ScienceNature & OutdoorsEducationClimate & WeatherEcology & EnvironmentOcean Water MarineSocial SciencePolicyBiologyharmful cyanobacteria bloomsharmful algal bloomshabscyanobacteria
National Audubon Society
Christmas Bird Count
Contribute to the science of bird conservation
Multiple locations, including yours!
- Ongoing
Citizen SciencePolicyEcology & EnvironmentBiologyNature & OutdoorsBirdsClimate & Weathercbcchristmasbirdwinter 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 Fundinginternetwebportuguêsciência cidadãcitizen scienceportalbrasil
Cochrane
Cochrane Crowd
Contribute to better health care. No experience necessary!
Anywhere
- Ongoing
Citizen ScienceHealth & MedicineBiologyrandomized controlled trialsresearchingarticleevidence based medicinecitationsresearchhealthcarehealth evidencearticlesbiomedicaltreatmentsscreeningdiagnosismedicineshealth careillnessmedicalrctmedicinehealthdiseasescochraneillnessesebmclinical trialsrandomised controlled trialsdiseasedatabase