Thats All Folks : Ecocritical Readings of American Animated Features Robin L. Murray and Joseph K. Heumann Although some credit the environmental movement of the 1970s with its profound impact on childrens television programs and movies for paving the way for later eco films the history of environmental expression in animated film reaches much further back in American history as Thats All Folks makes clear. Countering the view that the contemporary environmental movement and the cartoons it influenced came to life in the 1960s Robin L. Murray and Joseph K. Heumann reveal how environmentalism was already a growing concern in animated films of the 1930s 1940s and 1950s. From Felix the Cat c