Soaring temperatures across Asia are driving up energy demand just as the US-Israeli war against Iran squeezes supplies. Stuti Mishra reports Sign up to the Independent Climate email for the latest advice on saving the planet Get our free Climate email Get our free Climate email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice A fierce heatwave gripping large parts of Asia is straining coal and gas markets as surging