What’s the difference between global warming and the greenhouse effect?
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 [...]
I have heard that landfills can be a source of energy. How does that work?
Just like manure, other types of organic waste emit [...]
Is it true that cars could someday run on cow manure?
Yes! Manure can be made into a gas containing methane. [...]