California has adopted the most sweeping plan in the US to cut greenhouse gas emissions, issuing rules that could transform everything from the way factories operate to the appliances people buy

CALIFORNIA has declared passive smoke a toxic air pollutant on a par with diesel exhausts, arsenic and benzene because of its link to breast cancer.

California has become the first US state to declare passive smoke a toxic air pollutant, putting tobacco fumes in the same category as diesel exhaust, arsenic and benzene because of its link to breast cancer.