Road to Rio travels to California , USA to see what they are doing to cut carbon emissions . Philippe then heads north to see how refuse transforms into food and wineries going green . The team visits Warner Brothers studios to see the green innovations they are making .
Road to Rio travels to California , U.S to see what they are doing to cut carbon emissions . Philippe Cousteau goes north to see how refuse transforms into art and wineries going green . The team visits Warner Brothers studios to see the green innovations they are using .