In response to high pollution levels in Paris, the government has imposed a car ban with a difference. People with odd and even-numbered license plates alternate driving duties, meaning they only have the chance to drive every other day.

China’s 474 million-strong consuming class is starting to wonder whether the price they’ve paid for prosperity is worth it, if money can’t safeguard health. Too severe to be ignored, environmental concerns in China are finally beginning to trump economic ones.

Many tourists flock to Paris to shop and to take a romantic walk along the Champs Elysees, but the enjoyment of the latter is currently tainted by the shrouds of car fumes from the busy roads. The mayor of Paris called for diesel cars to be banned from the French capital by 2020.

About 40% of Hamburg's 1.8 million residents don’t own a car, so IKEA has introduced its first ‘citystore’ – an urban little sister to its sprawling, out-of-town counterparts. It’s already more popular than any other German branch, but who is this inner-city store attracting?