Turning gray into green: Urban farming around the world

An urban farming renaissance

Balconies, walls, even containers - all kinds of urban spaces can be turned into mini farms. Around 10 billion people will be living on our planet by 2050 and two out of three of those will be in cities. Providing nutrition for those billions in an age of changing climate and rapidly-draining resources is one the biggest challenges of the 21st century. Which is where urban farming can help.