Marin schools are thick with toxic chemicals, according to a group of local teens. The kids say they know how to clean things up.

Eleven high-schoolers from around Marin gathered at the Marin Civic Center on Thursday to present their findings from months of studying products used at their schools. The Healthy Schools Initiative presentation highlighted the hazardous materials and dangerous chemicals present in the cleaning products, , hand sanitizers, paint and other materials used by schools, and the safe products that can be used instead.