In Partnership with AOL Search
 
Acid rain is caused when certain chemicals are released into the atmosphere, chemically react, and fall as rain or snow. Acid rain has a pH that is much lower than normal rainwater. pH measures if a substance is an acid or a base.
Sites listed here will focus on conserving the whole range of animals and plants, as well as preserving different habitats.
Sites about conserving a single species of animal should be sent to Endangered Species.
Biodiversity refers to the complex relationship between plants, animals, humans, and the environment. If variety in one part is reduced, the other parts are also affected.
Global warming is the term used to describe the scientific theory that the Earth is getting warmer because of human influence.
The ozone layer is that part of the Earth's stratosphere which contains relatively high concentrations of ozone. This ozone absorbs ultraviolet radiation from the sun that would be harmful to humans and other animals.
As awareness grows about the fragile nature of the planet, people are trying to find ways of creating power by using the wind, the sun, and other non-polluting forms of energy which do not use up the limited reserves of fossil fuels.
Sites listed here will contain information about the conservation and responsible use of water.
Water is essential to life, and we need to be careful how we use it.
It is found in the air, oceans, rivers, streams and wetlands, and together these form the water cycle, the support system of life on our planet.
Copyright © 1998-2014 AOL Inc. Terms of Use
Last update: Thursday, August 7, 2014 2:15:10 PM EDT - edit