Take an eye-opening look at some of the world’s most important case studies in energy policy. Learn how great nations and small communities are finding sustainable solutions that provide for people and protect the planet.
Geologist Richard Alley examines countries that are moving toward renewable energy sources. In Spain and Morocco, large-scale solar farms and individual photovoltaic panels atop tents in the Sahara are beginning to bring the vast potential of the sun down to Earth.
