Many projects are already underway; some young architects are designing structures made completely out of living trees, while others are imagining how our great cities might return to their more natural state.
A related website tried to organise all biological information by function and asked the question - what we can we learn from this organism (e.g. any inventor, anywhere, at the moment of creation, could ask "how does nature remove salt from water?")
Does Bitcoin herald a revolution in how we will create, exchange and spend money? Launched in 2009 by an anonymous developer, Bitcoin saw a c.1300% spike in value since the beginning of 2013, before recent steep falls suggested it might be a bubble. The Atlantic noted that starting your own currency is "not as complicated as it sounds.