Glass Half Full, founded by Franziska Trautmann and based in Chalmette near New Orleans, collects tens of thousands of pounds of glass weekly from Louisiana, Mississippi, and Alabama, crushing it into sand used to rebuild eroding marshland. Louisiana loses a football field of land every 100 minutes. Tulane researchers confirmed plants grow and wildlife survives in the recycled glass sand.

New Orleans party bottles become sand for Louisiana’s vanishing coastline
MONGABAY