First starts

Describes the Earth and its water, the forms of water, the water cycle, water for human and plant life. Includes a discussion of the water supply and protecting our water.

Describes the nature and uses of fire; fire at the Earth's core; volcanoes; making, controlling, and fighting fire; and getting energy from fire.

Describes some of the ways in which air, water, and soil are being polluted.

Examines the problem of waste disposal, the importance of recycling, and the necessity of conserving water.