( CNN ) -- This month , the Road to Rio is making a stop in the U.S. state of California to discover what cities are doing there to cut carbon emissions . CNN 's Isha Sesay , Thelma Gutierrez and special correspondent Philippe Cousteau seek out the best green innovations in Los Angeles , including variety of new car technologies , a bicycle kitchen and smog eating tile . From there , Philippe Cousteau heads to northern California to check out how artists are giving garbage a whole new form and sense of respect . Then he heads to a community that is producing as much energy as it 's using in Davis , California . Finally , his assignment really gets tough as he heads to Napa Valley to see how wineries are getting a green makeover . Meanwhile , Thelma Gutierrez visits one of the largest landfills in the country to see first hand exactly where our garbage is going . And Isha Sesay gets a behind-the-scenes tour of Warner Brothers studios to witness the newest green innovations they 're implementing . Watch the show at the following times : . Wednesday , April 18 : 0930,1630 , . Saturday , April 21 : 0430 , 1130 , 1830 , . Sunday , April 22 : 0430 , 1130 , 1830 . Saturday , April 28 : 1130 , . Sunday , April 29 : 0430,1830 . ( all times GMT )
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 .