![TED Talks Daily show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/757/small/tedtalks-audio.png)
Summary: Building a skyscraper? Forget about steel and concrete, says architect Michael Green, and build it out of … wood. As he details in this intriguing talk, it's not only possible to build safe wooden structures up to 30 stories tall (and, he hopes, higher), it's necessary.