Wells, Robert E

Presents an illustrated introduction to the Earth, describes the atmospheres of the other planets in the solar system, and explains the reasons why Earth is capable of sustaining life.

Describes how global warming and greenhouse gases are contributing to rising arctic temperatures, and explains the repercussions and how it affects the animal populations that live there, which includes polar bears; and also details energy saving techniques.

Introduces the concepts of very large numbers, up to a googol, and multiples of ten.

Compares the speed of various animals, from humans to cheetahs to peregrine falcons, with even faster things like rockets, meteoroids, and light.

Explains the water cycle, discusses how water can be used to produce energy, and gives conservation tips.

Illustrates the concept of big, bigger, and biggest by comparing the physical measurements of such large things as a blue whale, a mountain, a star, and the universe.