Morning summary: UN official says Australian bush fires linked to global warming; airborne pollution soars in China; Keystone pipeline set to earn Koch brothers billions
UN Secretary General Ban Ki Moon has hit back at critics of the Rio+20 UN Conference on Sustainable Development by claiming it was an important victory for multilateralism
Maria van der Hoeven, executive director of the IEA says that much of the technology to deliver on Ban Ki-moon’s Sustainable Energy for All project is available leaving governments to roll-out the right policies.