Beakman covers hot springs and geysers and how they are used by people for electricity and to improve health. He shows some footage to explain how water in geysers is heated and shoots out of the Earth's surface.
Phil walks us through the different layers of the atmosphere. He explains what we can expect to find at each layer and the concentration of air molecules at each level.
Bill Nye explains why it gets colder as one travels up through the atmosphere. He uses miniature replicas of a city and a mountain to support his explanation. Bill also briefly touches upon the lapse rate.
This beginning scene of Wall-E depicts a post-acopalyptic Earth. The Earth has an enormous amount of environmental pollution and trash. There is little life in sight besides Wall-E and a cockroach.