Historietas juveniles, peligros del medioambiente

An introduction to global warming that explains ultraviolet radiation, the ozone layer, the greenhouse effects, and how global warming can be prevented. Presented in graphic form.

An introduction to oil spills that describes the negative effects of spills caused by ships, drilling, and underwater pipelines on the surrounding environment, and also explains how to clean up and prevent oil related disasters. Presented in graphic form.