A new study finds California's Proposition 65 law has reduced toxic chemical exposure nationwide, despite longstanding criticism over its effectiveness.

Proposition 65 is a 1986 law requiring businesses and ... “Even lumber from the hardware store has P65 warning labels,” another added. “They’re on so many products.” ...

Mueller prevented the state or private parties from suing companies for not putting Proposition 65 warning labels solely on food and beverages containing the toxic chemical as the case continues in ...

While he froze the warning label requirement, Shubb said California can continue ... He said the listing is not “government-compelled speech” and that the Proposition 65 listing has not caused ...

A lawsuit is claiming a personal care company's menstrual products contain a forever chemical that causes reproductive issues ...

For nearly 40 years, a controversial California law has required companies to place warning labels on their products ... Ever since the passage of Proposition 65, policymakers and business groups ...