Researchers at Queen's University Belfast have discovered new ways to convert single-use plastic waste into products such as storage tanks for water and fuel, and sporting goods such as kayaks and canoes, which could help to solve global environmental problems.
source https://www.lifetechnology.com/blogs/life-technology-science-news/researchers-pioneer-new-technique-to-transform-used-milk-bottles-into-kayaks-and-storage-tanks