The United States currently relies heavily on coal, oil, and natural gas for its energy. Fossil fuels are nonrenewable, that is, they draw on finite resources that will eventually dwindle, becoming too expensive or too environmentally damaging to retrieve. In contrast, renewable energy resources are constantly replenished and will never run out. Here's a green energy infograph!
The water for this homemade outdoor shower is heated by the sun, saving you money and energy. You can build it with a bit of lumber, a used 50-gallon drum, and a few plumbing parts from the hardware store.data-pin-do=