co2

within 25 miles

Apr 4, 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 Marineclimate changeequityscienceair pollutionweather datamobile applicationsmartphone applicationcommunity-based monitoringair quality indexiphoneandroidenvironmentspringcarbon monoxideec2020usagirl scoutsexperimentbicyclingair qualityenvironmental justiceappcitizen scienceinvestigationnatureweathercarbon dioxideair pollution monitoringparticulate matterglobal warmingstemwinterhikingautumnsummerdatabaseairclimate monitoringclimateoutdoorsdata

NC State University | ecoipm.org | YourWildLife.org

A Tree's Life

To learn how climate & urbanization affect tree growth & health

Multiple locations, including yours!

Ongoing

Citizen ScienceBiologyEducationClimate & WeatherNature & OutdoorsEcology & Environmenttreesurban ecologyclimate changecarbon sequestration

Dr. Kevin Gurney

Hestia Traffic App

To improve the data of on-road CO2 emissions

Multiple locations, including yours!

Ongoing

Citizen ScienceClimate & WeatherEcology & EnvironmentTransportationemmisionclimatepollution

TreeMama.org

iSeaTree

Help resource managers study and record the benefits of urban trees!

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsGeographyh2ocityforestcanopyurbancarbonidentificationmapstreesandroidwoodsplanturban treesiphoneleafappcitiesco2climate changechangeparkartificial intelligenceaitreeclimateipad

It's TreeTime Tempe!

Record location and details of local trees

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsEcology & Environmenturban forestarboristmappingneighbourhoodtrees

Neighbourwoods - Broward County, FL

Record location and details of local trees

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsEcology & Environmentneighbourhoodmappingarboristtreesurban forest

IQAir AirVisual

PM2.5 air pollution monitoring

Better understand air pollution and its sources, indoors and out

Anywhere

Ongoing

Citizen ScienceHealth & MedicinePolicyClimate & WeatherNature & OutdoorsCrowd FundingTransportationEducationwood burningdatacarbonindoorhighwaysventilationair qualitymonitoringpm2.5asthmaemissionsenvironmentburn banairoutdoorair pollutantsdustair pollutionco2carshealthsmogtraffic