Durban

US official: "It is completely off base to suggest the US is proposing it will delay action to 2020"

Jane Burston hears Chris Huhne reiterate there will second Kyoto period without a roadmap to a legally-binding deal in 2015

Negotiators optimistic deal can be done on framework for a $100bn a year Green Fund

Bloc insists movement from other nations towards global deal is "absolutely essential" to continuation of Kyoto

The deadlock in Durban raises the prospect of a two tier response to climate change

Rich economies disadvantage green economy by giving tax breaks, loans and other subsidies to the fossil fuel industry

Bruno Berthon of Accenture warns that a vocal minority of conservative businesses could undermine low-carbon progress

Emerging economies insist industrialised nations must extend Kyoto Protocol and step up climate aid before talks can begin on parallel treaty

UN official claims businesses and governments know technology can reduce emissions but only if they embrace innovative thinking