Low-carbon policies offer "insurance" against "substantially higher" energy bills that may result from UK's planned gas investment
Analysts say new commitment period is insufficient to tackle lack of demand for carbon credits
Proposals to scrap league table and reduce reporting obligations confirmed, but fears grow that plan to scrap tax element will 'undermine' investment
Summit closes with agreements on climate aid, Kyoto Protocol and procedure, but green groups unhappy with "polluter's charter"
Think-tank argues more needs to be done to support small-scale generators
Agreements in the balance on Kyoto Protocol and climate aid, but nations express willingness to engage
Businesses and campaigners unsettled by drive for up to 37GW of new capacity and tax breaks for shale
UN chief says a 2015 climate deal could be undermined if developed countries fail to outline how they plan to mobilise $100bn fund
Friends of the Earth says Chancellor is relying on increasing revenues from a declining industry and ignoring green growth
Airline has secured an exclusive option on an unnamed site and started consent work