A new $700 billion opportunity has emerged from the unlikeliest of places: the bin. As sustainability goes mainstream, smart businesses are adding value to their brands by making sustainability cool, cost-effective and convenient.

As Millennials increasingly perceive ownership as a burden, car-sharing companies like DriveNow are changing the game. From Dusseldorf to Munich, they’re catering to an ever-growing percentage of young Germans for whom owning a car is no longer a viable or ‘cool’ thing to do.

Generation Z helped bolster the revenue of video games and downloadable content to $50 billion in 2014. Older gamers hate the very existence of microtransactions in gaming. But Gen Z are not only enthusiastic consumers of virtual goods, but also savvy entrepreneurs; gaming is even replacing ‘saturday jobs’. How is Gen Z rewriting the reality of how, and for what, we shop online?

Minecraftmay be the most-sold video game on Earth, but it's very different from its fellow chart-toppers. It has basic graphics and no narrative – and yet it's captured the imaginations of over 100 million players. But how has this indie game become a global phenomenon?