The “Stockholm tree pit” method was created to help trees thrive in paved-over urban spaces. Now, it’s taking root across Europe.

In the long run, e-bikes are cheaper than motorbikes. With financing help from start-ups like Guajira, many immigrant workers are making the switch.

Peter Yeung is a Contributing Editor at Reasons to be Cheerful. A Paris-based journalist, he also writes for publications including the Guardian, the LA Times and the BBC. He’s filed stories from ...