Preventing fat build-up in sewer systems A simple kitchen sink innovation could save millions of pounds in sewer maintenance each year, featuring James Seers.
Non-pollutant organic pesticide rivals toxic industrial chemicals A naturally occurring chemical extracted from green tea could help reduce agricultural pollution, featuring Dre Steinwehr.
Chinese Water Pollution tackled by Blue Spring Project Improving water quality by reducing garbage disposal into rivers and educating local youth, featuring Maxime Jullian.
