When watching a horror movie, most humans feel nervous to watch it but afraid to go on because they can anticipate what bad things will happen next. But in the real world, mankind is ignorant and unafraid of the serious pollution of the ecological environment and the atrocities of authoritarian and totalitarian governments. Isn't the trash in the ocean, the disappearance of glaciers, the extinction of species, the man-made defacement of the water sources of the air land horrible?--Or am I just too nervous?