7 Ancient Wonders of Green Design & Technology
By Ecoist in 7 Wonders Series , Art & Design , Energy & Fuel We have come a long way since humans first used biomass fuels for their fires over 800,000 years ago. Green design, sustainable innovation, alternative energy – these are all recently-coined buzz-phrases for concepts that in some cases date back tens of thousands of years. The ancient Chinese used concentrated solar power for heat energy and fire, Native Americans used hot springs as renewable geothermal sources for cooking and healing, and some speculate the Egyptians used wind power to help build their pyramids. From Greece and Rome to Persia and North America, here are seven incredibly innovative uses of geothermal, water, wind and solar power from around the ancient world. Ancient Wind Power Designs 1) Wind for Power and Water: Ancient Persian Windmills (Images via: Ullesthorpe , BluePlanet , DeutschesMuseum and WorldofEnergy ) The earliest known windmill design dates back 3000 years to anc...