The watchdog said all restaurants can do more to reduce their environmental impact. But it found that Mexican chain Wahaca, which has 13 branches in London, Cardiff, Edinburgh and Brighton, came top ...

But it found that Mexican chain Wahaca, which has 13 branches in London, Cardiff, Edinburgh and Brighton, came top with a score of 84% partly thanks to strong practices in sourcing policies ...

While all restaurants can do more to help the planet, Wahaca, which has 13 branches in London, Cardiff, Edinburgh and Brighton, came out on top with a score of 84%.