The greenhouse effect is created because certain gases sent into [...]
What kind of a difference does it really make to replace a regular light bulb with an energy-saving one?
Replacing your five most frequently used light fixtures or the [...]
Why is it important for people in the United States to save energy? Aren’t we just a relatively small part of a large planet?
Although Americans make up only 4 percent of the world’s [...]
Organic waste emits methane as it decomposes—or rots—in the [...]
Yes! Manure can be made into a gas containing methane. [...]