Bøger af Rodger

Natural gas, oil, and coal are finite resources, and their use contributes to deadly smog and global warming. This book follows the world's dependence on these resources and shows how people are working to reduce their use.

Harnessing energy from water provides clean, available power that does not release harmful chemicals or carbons into the air. This book explains how hydro turbines, transformers, and power lines work to bring light to the world, and offers tips on how to conserve electricity and become more environmentally conscious.