![PopTech Audio: PopCasts show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/053/095/small/poptech-audio-popcasts.jpg)
Summary: <p>Hear how executive director of <span class="caps">SELF</span>, Robert Freling, is lighting up the developing world and empowering self-sufficiency by delivering solar power to more than 2 billion people on the planet living without electricity.</p>