When communities are threatened by toxic substances in our air, water, or the products we use in our homes, environmental watch groups utilize Proposition 65 as a tool to pressure manufacturers to take accountability for our exposure to hazardous chemicals. Public health advocates like the Environmental Health Coalition use Prop 65 to obtain justice for historically marginalized groups who have been disproportionately exposed to dangerous chemicals in their environments for decades. For the Environmental Health Coalition, the fight began with…