If you are worrying about risk, environmental change is the thing to be thinking about most

"May you live in interesting times," goes the saying that is sometimes (wrongly) referred to as a traditional Chinese curse. Well, that is certainly where we are today. When it comes to threats and fears, it is a question of taking one's pick about which is more serious and which more dangerous: do you choose Putin and the escalation of a ghastly war that has costs hundreds of thousands of lives, perhaps into a nuclear confrontation; or perhaps artificial intelligence is what keeps you awake at night, especially following recent engagements between journalists and chatbot became persistent to the point…