Your empty wine bottle could help rebuild coastlines | Franziska Trautmann
What if you could take something as tiny as a grain of sand \u2014 and as common as a glass bottle \u2014 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)