Powerful Planet: Can Earth's Renewable Energy Save Our Future?

As the world's fossil fuels dwindle, the need for energy is skyrocketing. We may soon be running on empty! Burning fossil fuels pollutes our air and adds to global warming, too. Can renewable energy sources come to the rescue? Clean energy from the Sun, wind, moving water, and the interior of Earth will never run out. Learn more about these and other energy sources that will power the future!