Boris Johnson interview on health of the Queen, how bad things can be globally if COP doesn't deliver, how he can achieve agreements when different countries have different agendas.

G20 Summit: Boris Johnson interview (C4); Part 1 of 2 ITALY: Rome: Colosseum: EXT Boris Johnson MP (Prime Minister) interview SOT Q: ARE YOU CONCERNED ABOUT THE HEALTH OF THE QUEEN - I spoke to Her Majesty as I do every week this week and she's on very good form / she's just got to follow the advice of her doctors and get some rest, and I'm sure the whole country wishes her well Q: ON COP, YOU SAID THESE DAYS AHEAD OF US ARE A DATE WITH DESTINY AND A WAYSTATION, WHICH IS IT - Well it's both, because unless you can make sure at COP next week in Glasgow that we keep alive this prospect of restricting the growth in the temperature of the planet, then we really face a real problem for humanity and I think on the plane yesterday I tried to suggest to you that civilisation could go backwards and history could go into reverse and here we are Gary, in the Colosseum of Vespasian, the Roman Empire, they weren't expecting it, went into a reverse and we had a dark ages, and it's important to remember that things can get dramatically worse Q: WHAT DO YOU MEAN THERE, I MEAN HOW BAD, YOU TALK ABOUT MASS MIGRATIONS AND ALL THE OTHER THINGS THAT CAN HAPPEN WITH CLIMATE CHANGE, ARE YOU TALKING ABOUT SOMETHING LIKE THE 1930s IN MORE RECENT MEMORY - If you increase the temperatures of the planet by four degrees or more as they are predicted to do, then you produce these very difficult geopolitical events; you produce shortages, you produce desertification, habitat loss, contests for water, for food, huge movements of people / those are things that are going to be politically very difficult to control / when the Roman Empire fell it was largely as a result of uncontrolled immigration, the Empire could no longer control its borders, people came in from the East and all over the place and Europe went into a dark ages that lasted a very long time / the point of that is that it can happen again, people should not be so conceited as to imagine that history is a one-way ratc...