Earth Day 2015 picks: 5 cool tech gadgets to get you excited about solar power

Cool Mom TechEarth Day 2015 picks: 5 cool tech gadgets to get you excited about solar powerCool Mom TechEven cooler, they're teaming up with the innovators at Nest to offer the first 10,000 new California customers a free Nest Learning Thermostat when they sign up for solar, which is about the hottest smart home gadget out there these days, and a way to ...