This book is an introduction to creating green cities, describing how to use renewable energy sources to produce power, such as electric power, for large cities and how to use light rail systems for transportation in cities.
Explores the three pyramids of Giza including the Great Pyramid, who built them and why, the process of mummification, and archaeological efforts to unlock the secrets of the pharaohs.
Explains the reasons why southern sea otters came close to extinction, describes the efforts of scientists and environmentalists to create safe havens in which the otters could survive and thrive, and looks at some of the challenges faced during the efforts to rebuild the otter population.