YOU DON’T NEED A WEATHERMAN TO SEE WHICH WAY THE WIND IS BLOWING: ‘Gaia’ scientist James Lovelock: I was ‘alarmist’ about climate change. “The problem is we don’t know what the climate is doing. We thought we knew 20 years ago. That led to some alarmist books – mine included – because it looked clear-cut, but it hasn’t happened.”