Hendrik mobilized villagers to thoroughly clean the stream, transforming it into a recreational area for the villagers and giving it the appealing name "Cooling Creek." His decision stemmed from a ...

Nicholas Nugent explores the global impact of the spice trade in his book, connecting historical events to the modern world.

But upcycling still requires clean, well–sorted streams to be viable. And until all these technologies are widespread, each of us must help keep our recycling systems working well.