There was a ground-breaking event in London this week, a first of its kind update on climate change called the National Emergency Briefing. Members of Parliament were invited to attend and many did, as a series of experts set out the state of the climate and the way that Britain will be affected.

The briefing was held right opposite the Houses of Parliament and chaired by Mike Berners-Lee, who warned that attendees would hear “difficult news and we’re going to face it together”. Presenters t...