central california

within 25 miles

Sep 19, 2026

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100

Participant Age Range Maximum

100

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Surfrider Foundation

Surfrider Santa Cruz

Monitor water quality at beaches and freshwater sources.

Multiple locations, including yours!

Ongoing

Citizen ScienceOcean Water MarineBiologyNature & OutdoorsClimate & WeatherGeology & Earth SciencePolicyEcology & EnvironmentEducationSocial Sciencecentral californiapollutionoceanenvironmental scienceoceanographybacteriaenterococcuswildliferecreationchemistryconservation sciencemarine biologymarine scienceblue water task forcesanta cruzwater qualitybeachescaliforniaconservationsurfridernorcal

Washington State University

Western Monarch Mystery Challenge

Where are monarchs in spring?

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsInsects & Pollinatorsmonarch butterflies

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