Much of the food waste Australians generate is not managed responsibly, but there are things the country can, and must, do to change that. After all, any action to get food waste out of landfills is action on climate, writes Virginia Brunton of Australian environmental consultancy firm MRA.
Each year more than 300 tonnes of processed gold are dumped in landfills. What if we could mine landfills for gold and other precious metals, ask researchers from Keele University.