The content is: sunlight energy in the atmosphere, the layers of the atmosphere, the greenhouse effect, the greenhouse gases, infrared absorption specra, Mauna Loa Observatory, carbon dioxide a greenhouse gas, south pole data, Samoa data, levels during the last ice age, out of the ice age, since the industrial revolution, the oceanic conveyor belt, the melting artic ice, is is really getting warmer, the consequences, knock-on effects, what can be done?, the bottom line, the planet will look after itself in the end.