Earth Alert!
2 primary works
Book 15
Discusses energy, its uses and effects on the environment, and describes renewable energy sources such as solar, wind, and geothermal power. Includes case studies and activities.
Book 16
Most of the food we eat is grown on farms. 'Farming' tells you about different sorts of farms around the world; the importance of soil and how to look after it; the difference between organic farms and factory farming; how people can help farming to change.