Guardian: Governments need to show the same boldness to intervene in the markets to kickstart a move to a low-carbon economy as they did when they helped the banks stave off financial crisis last week, a leading academic has demanded. “Both require strong regulation for efficient economic outcomes,” said Terry Barker, a climate change expert at Cambridge University, who fears the Lehman Brothers and HBOS problems foreshadow a global economic downturn. Barker’s concerns were backed up by …