Neil deGrasse Tyson explains the difference between climate and weather while walking on a beach with a dog. He mentions that climate is the weather of a region over a long period of time, while weather is short-term. He uses the dog's path to illustrate the variance of weather patterns and his own path to illustrate the consistency of climate.

Captain Compost Heap (CCH) sings a song about the importance of recycling, conserving the environment, and reducing pollution. The song explains the adverse effects of neglecting the environment and provides insight into the factors causing global warming.

Describes the effects of global warming on the world.

Jack describes how extreme storms will affect the global climate. He also mentions that ice and snow will cover the Northern Hemisphere.

Al Gore explains just how thin the Earth's atmosphere is compared to the Earth itself and then delves into the science of global warming.