Al Gore has come under fire for making personal gain from his mission to save the planet – after charging £3,300 a minute to deliver a poorly received speech. The former American Vice-President was also accused of being "precious" at the London event, demanding his own VIP room and ejecting journalists, despite hopes the star-studded gathering would generate publicity for the fight against global warming. Many of the audience at last month's Fortune Forum summit were restless as Mr Gore, who has won both a Nobel Peace Prize and an Oscar for his campaigning work this year, delivered the half-hour...