![PopTech Audio: PopCasts show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/053/095/small/poptech-audio-popcasts.jpg)
Summary: <p>Biologist Willie Smits has spent the last thirty years searching for ways to restore fragile ecosystems. From his home in Indonesia – a leading producer of greenhouse gases – Smits has discovered a method of sustainable energy production: using the forest to generate biofuels with a carbon-positive impact.</p>