A calm summary of and argument for the science of global warming, the author’s position being basically that although mankind is obviously responsible for some of the greenhouse gases and pollution affecting the world, most of the problem arises from natural causes. The book is eloquent and persuasive, and handy to have around if you get into an argument on the subject, but I keep an open mind. April 2011 in Britain was the hottest and driest April on record, and now in May the Kent crop of strawberries is ready, delicious and delicate – and a month early. They grow wine grapes on the hillsides around my English town. The sea level rises by about half a centimetre a year. (22 May 2011)