geothermal
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When you walk through Yellowstone National Park you can hear the energy from the earth bubbling up all around you. There are over 10,000 thermal features in Yellowstone. It’s amazing! This is geothermal energy, a great source of renewable energy. Geothermal isn’t widely used. In the United States, geothermal energy accounts for less than one…
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I was surprised that I saw few alternative sources of energy during my visit to Barcelona and Tarragona. I began to see wind turbines and solar panels when I crossed the border into France and even more as I traveled into Germany and Austria. I did some research to see how much of Spain’s energy…