tackle climate change like investing in renewable energy sources but that can also have its various isn t that s true. yes it s hard to believe that environmentalists are now beginning to ask the question how clean is the new energy many wind generators. need to be replaced. or taken down completely where do you put all those cement steel plastics and what africa and. these are sections of decommission turbines as a wind park in northern germany. a group of local environmentalists aren t satisfied too much of the base is still in the ground they want the whole thing to be removed. there are going to be problems we ve got thirty