How does the work that won the 2012 Sustainable Chemistry Award contribute to sustainable chemistry?
His work is about developping new catalysts based on copper and iron, to replace to traditional catalysts based on palladium. Copper and iron are both very common elements in nature, while palladium is considered a high supply risk (see the 2012 British Geological Survey risk list for details).

The new RSC Visual Elements Periodic Table can be used to check this kind of information.