A leading environmental expert has strongly criticised UK Prime Minister Tony Blair for "lacking leadership" on green issues. Jonathon Porritt, who chairs the UK's Sustainable Development Commission, said the government's domestic record on the issue is seriously lacking and he accused the prime minister of "naive adulation" of the business world. Porritt: UK has done well on some issues His criticism comes as Mr Blair prepares to address the World Development Summit in Johannesburg. Mr Porritt, a former head of Friends of the Earth-UK, is now programme director of Forum for the Future, which works on ways to promote...