Your empty wine bottle could help rebuild coastlines | Franziska Trautmann

What if you could take something as tiny as a grain of sand — and as common as a glass bottle — and use it to tackle the climate crisis?

Waste alchemist Franziska Trautmann shares how the spark of an idea turned into a large-scale operation helping restore the eroded shores of Louisiana and beyond.

(Created in collaboration with Ignite Talks)