Independent: In April 1989, when the then-prime minister Margaret Thatcher was still in the full flush of her discovery of the threat of climate change, she hosted a seminar on global warming for the cabinet, at 10 Downing Street. They all had to attend, like slacking schoolboys. The grumbling must have been memorable.
The seminar was addressed by Mrs Thatchers favourite diplomat, Sir Crispin Tickell, a former UN ambassador who was himself seized of the climate threat, and by her favourite scientist, Jim...