Discusses the types of forests, the trees that constitute them, the clearing and planting of forests, and their interaction with both humans and wildlife.
Describes various aspects of deserts, including their creation, modernization, plant and animal life, mineral and oil resources, and how humans live there.
Energy around us; winds; windmills; water wheels for industry; falling water; building dams; the need for more power; water power; hydro-electric systems; making electricity; the big power stations; supply and demand; storing energy; using river power; using the tides; wave power; using the wind; changing energy; looking ahead.
Discusses such aspects of farming as commercial farms that use machines, small farms in undeveloped countries, food crops and what happens to them, factory farming, and dairy farming.