This Sustainable Scholar Has Lived Off-Grid for 30+ Years, Writes and Teaches About Renewable Energy Ian Woofenden is the epitome of a HeatSpring Sustainable Scholar. He built his first solar greenhouse at the age of ten, has pedaled his bike more than 20,000 miles since selling his car five years ago, shares his knowledge and… Continue reading “This Sustainable Scholar Has Lived Off-Grid for 30+ Years, Writes and Teaches About Renewable Energy”