United Nations climate chief says Danish presidency's backing for US also derailed Copenhagen negotiations
Green groups claim environmental crisis highlights the urgent need for the Senate to pass US climate legislation
Greg Barker tasked with delivering flagship "Green Deal" and green investment bank policies
The government urgently needs to clarify what will be included in its Energy Security and Green Economy bill, argues James Murray
Only the planned "Green Deal" scheme is a dead cert for inclusion in new bill, after DECC reveals it is yet to decide which other policies require primary legislation
Legislation to enable green home loans, but uncertainty still surrounds plans for low-carbon bank, power station emissions standard and new renewable energy incentives
As new report reveals more than 6,000 firms now want the US climate bill to pass, key Republican senator refuses to restore his support for the legislation
White House outlines plans for post-2017 fuel efficiency standards and new carbon rules for heavy trucks
Australia may have ditched its planned emissions trading scheme, but New Zealand prime minister John Key today confirmed the country will launch its scheme in July
Japanese engineering giant files antitrust suit in response to GE allegations it infringed on wind turbine patents