We all want clean energy sources to power our homes, businesses, and transportation.Thanks to the bold endeavors of companies and entrepreneurs who have battled through significant opposition, sustainable, scalable renewable energy is finally becoming a reality. But there is another half to this puzzle that is discussed far too little: energy efficiency. Energy efficiency has significant benefits on people's health, and can help save tremendous amounts of money for businesses, families and governments. But more importantly, it is a critical tool in reducing society’s carbon footprint and avoiding further damage to our climate.