With lots of green and few cars, the square in front of the Catedral de Santa María de Valencia is an example of why this Spanish city is being lauded for its measures to improve sustainability.

It’s the first day of your summer holiday. After a hearty breakfast and an iced coffee by the pool, you beeline for the nearest beach. But when you get there, it’s chaos. Not one sunbed is free, the ...

The E.U. plans to fight for its place in the clean energy race. Ursula von der Leyen, head of the European Commission, announced at the World Economic Forum in Davos, Switzerland, on Tuesday that the ...