Watch: Merkel sees 'possibilities' for Brexit compromise with UK

Humanitarian work when endorsed by a celebrity has to walk a tightrope - if it is too policy-oriented, it becomes an unelected individual trying to usurp power from elected leaders. If it is too general or purely values-based, one can fall into the trap of retweeting slogans that mean little.

A wave of populist electoral triumphs has been presented by those who have surfed it into power as reflecting a turn in history’s tide. They should know their history better, argues Robin Wilson.

Green policies will be short-lived if proposals fail to recouple social progress with environmental and economic concerns. New training schemes and welfare protections are the key to achieving long-standing change.

The challenge of involving younger people is a common concern for many churches, mosques, temples and other places of worship.