Rio+20: where it should lead
Tony Juniper Sustainability and Environment Adviser Rt Hon Nick Clegg MP Deputy Prime Minister Ian Johnson The Club of Rome Sir Brian Hoskins & Alistair McVicar Grantham Institute for Climate Change Paul Polman Unilever Barbara Stocking Oxfam GB Tara Rao FairGreenSolutions Matt Williams, Isobel Tarr & Sarah Arnold UK Youth Climate Coalition