In California, warning labels have become so commonplace that people joke about them. But a study suggests that the state’s label law is working — by encouraging companies to reduce their ...

For nearly 40 years, a controversial California law has required companies to place warning labels on their products alerting consumers to the potential health threats posed by chemicals, or else ...

California maintains a list of about 900 chemicals known to cause cancer and other health effects. Under the 1986 right-to-know law, also known as Prop 65, products that could expose people to ...

Environment California’s chemical warning labels are everywhere. A study finds they’re working. California’s labeling law has encouraged manufacturers to reduce their products’ toxic ...

Controversial Prop. 65 warning labels about toxic chemicals are effective, study says A Proposition 65 sign greets visitors at the entrance to Disneyland, in Anaheim. (Myung J. Chun/Los Angeles Times) ...

Monsanto has sued to block California's warning label requirements. A federal judge blocked California from enforcing the labels while the lawsuit continues.

The Trump administration says it won't approve warning labels for products that contain glyphosate, a move aimed at California as it fights one of the world's largest agriculture companies about ...

A health warning label beside coffee for sale is seen at a store in Los Angeles, Calif., on May 8, 2018. MARK RALSTON/AFP via Getty Images ...

The Trump administration says it won’t approve warning labels for products that contain glyphosate, a move aimed at California as it fights one of the world’s largest agriculture companies ...

In California, warning labels have become so commonplace that people joke about them. But a study suggests that the state’s label law is working - by encouraging companies to reduce their ...

California requires warning labels on glyphosate products - widely known as the weed killer Roundup - because the International Agency for Research on Cancer has said it is "probably carcinogenic." ...