ec2020

within 25 miles

Dec 10, 2025

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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 Marineweather dataautumndatabaseequityandroidiphonecarbon dioxideair qualitysmartphone applicationwinterusaclimate changeinvestigationec2020air quality indexoutdoorsweatherhikinggirl scoutsclimate monitoringspringair pollutionenvironmental justiceairsummerglobal warmingexperimentappclimateair pollution monitoringnaturedatabicyclingparticulate matterstemcommunity-based monitoringcarbon monoxideenvironmentsciencecitizen sciencemobile application

Chicago Botanic Garden

Budburst

Help scientists by observing seasonal changes in plants.

Anywhere

Ongoing

Citizen ScienceGeographyEcology & EnvironmentEducationClimate & WeatherNature & OutdoorsBiologyseasonsclimate changebotanypollinatorsec2020csm2025plant phenologynativarscsm-featuredearth2025csm2026phenology

CoCoRaHS: Community Collaborative Rain, Hail and Snow Network

Provide weather data to meteorologists

Multiple locations, including yours!

Ongoing

Citizen ScienceClimate & Weatherweathercsm2025csm-featured_nasasnowgirl scoutsearth2025rainfood securityec2020top 22 in 2022national weather servicetop2022hailhurricanethe crowd and the cloudcooperprecipitationclimate

EarthEcho International

EarthEcho Water Challenge

Collect and share water quality data to inform water quality protection actions

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentChemistryOcean Water MarineDisaster ResponseAnimalsEducationPolicyNature & OutdoorsBiologygirl scoutsearth2025drinking waterwater qualityyouthec2020csm2026ocean & waterthe crowd and the cloudwaterwatershedcsm2025monitoring

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentec2020insect populationstop viewed 2021gardentop 22 in 2022androidtop2022iphonenatureappcsm-featuredbiodiversitylibrarygirl scoutsnaturalistmuseumsummer reading 2021

LEO Network

Create a network of local observers and topic experts who share knowledge about unusual animal, environment, and weather events

Anywhere

Ongoing

Citizen ScienceAnimalsClimate & WeatherEcology & Environmentec2020leoobserversarctic councilarcticclimate changeunusual environmental eventalaska native tribal health consortium

Marine LitterWatch

Marine debris monitoring

Multiple locations, including yours!

Ongoing

Citizen Sciencewater qualitymarine litterwatchbeach monitoringmarine strategy framework directiveshoreline monitoringoceaneuropean unionbeachesec2020plasticsmarinemlweeamarine littereuropean environment agencywater

Mosquito Alert

Mosquito Alert is a cooperative citizen science observatory coordinated by different public research institutions. Its main objective is to fight against the tiger mosquito and the yellow fever mosquito expansions, two invasive species vectors of global diseases like Zika, Dengue and Chikungunya.

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsInsects & Pollinatorsdiseasedenguemedical & human healthecology & environmentinsects & pollinatorsbiodiversityvectoranimalsdengue, ecology & environment, biodiversity, zika, insect populations, ec2020, medical & human health, animals, insects & pollinators, vector, mosquito, insect, disease, chikungunyachikungunyazikainsectmosquito

Open Ag Data Alliance (OADA)

Build open standards data transfer tools in agriculture

Anywhere

Ongoing

Citizen Scienceopen standards datasoftware engineersfarmersec2020oadaagricultureecologyfarmingopen ag data allianceair qualityenvironmentfood security

Trash Information and Data for Education and solutions (TIDES)

Trash free seas

Anywhere

Ongoing

Citizen Scienceec2020tidesbeach monitoringtrash information and data for education and solutionsshoreline monitoringwater qualitymarinemarine litterplasticswateroceanbeaches

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