Public transport is one of the most sustainable ways of getting from A to B. But how practical is taking public transport if you have no reliable way of determining a route?

Over the last few years, Airbnb’s original vision of community-based tourism has buckled and distorted under its own success. But now a European startup is changing the stakes by bringing cities back into the conversation.

The Swedish concept of "flygskam" embodies a truly 21st century phenomenon - that icky feeling that you get when you take a flight because you know how bad it is for the environment to fly.