World about Us
4 total works
Describes the greenhouse effect, the gases that cause it, how it affects the environment, ways to reduce the emission of greenhouse gases, and alternative, cleaner sources of energy.
Describes what acid rain is, what causes it, and how it affects the environment. Also examines ways in which pollution levels can be reduced or minimized.
Explains what rainforests are and why they are important, how they are being destroyed, the effects of such deforestation on the environment, and what is being done to halt the destruction.
Explains the nature and importance of the ozone layer, how it is most likely damaged, and what measures are being taken to protect it.