Reuters: China is producing far more carbon dioxide (CO2) than previous estimates and this will frustrate global aims to stabilise atmospheric greenhouse gases, a group of US economists said. China is the world’s second-largest emitter of C02 and some studies suggest it might already have overtaken the United States last year. The report could add to calls for China to sign up to binding cuts, something it has refused to do. Writing in the May issue of the Journal of Environmental …