Bill Gates does not agree that using a private jet and campaigning on the issue of climate change represents a contradiction open to allegations of hypocrisy. During a wide-ranging interview with the BBC aired at the end of last week, Gates was asked for his view on the charge that a climate change campaigner using a private jet to travel around the world was a hypocrite. “Well, I buy the gold standard of, funding Climeworks, to do direct air capture that far exceeds my family’s carbon footprint,” the Microsoft co-founder, being interviewed in Kenya, replied. “And I spend billions of...