Wednesday , April 18 : 0930,1630 , . 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 , 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 .