Major Mardi Gras change as famous beads made sustainable
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New Orleans residents create Mardi Gras 'house floats'
Mardi Gras in New Orleans is facing an environmental crisis due to the widespread use of cheap plastic beads, which clog storm drains and pollute Lake Pontchartrain, harming marine life.
In a significant step towards sustainability, the Krewe of Freret has banned plastic beads and is now trialling biodegradable PlantMe Beads developed by Louisiana State University (LSU).
These innovative “PlantMe Beads” are 3D-printed from a starch-based material called polylactic acid and contain okra seeds, designed to decompose when planted.
LSU Professor Naohiro Kato and graduate student Alexis Strain created the beads, with 3,000 necklaces being tested by three krewes for the 2026 Carnival season to gather feedback.
The initiative is part of a broader movement to promote a more sustainable Mardi Gras, encouraging less waste and the use of valued, reusable throws instead of disposable plastic items.
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