Jeremy Leggett: With a little imagination, clean technologies can supply all our energy

The International Energy Agency (IEA) is warning of an oil crunch by 2012, so we have to act immediately if we aren't to add peak oil to our credit-crunch woes. There is also a grave risk of major shortfalls in gas supply in the next few years. North Sea oil and gas production is plunging 7.5% a year at the same time as liquefied natural gas (LNG) projects are being cancelled around the world. Meanwhile, Moscow... [read full story]