Explorers: First Expeditions in the Gulf of California and the Sonoran Desert—The Pimería Alta
By: Abelardo Castillo Rosas. CEDO Intercultural The main impulse of the first Spanish explorers in what is currently Northwestern Mexico and Southwestern United States was the possibility of discovering such riches as those that had been found in the great civilizations including the Aztec, the...
Solar Energy, a Clean, Accessible, and Inexhaustible Energy for Sustainable Development
The Sun is the center of our lives and the main source of energy. In the history of humanity, the sun has been a fundamental element in cultures and religions. We currently use the sun’s energy to produce electricity, to heat water and cook, to...
