Bob Wigley calls for increased business rates and stamp duties for firms and households that fail to improve energy efficiency
Leaked documents suggest European Commission is preparing to seize opportunity presented by debt crisis to make case for pan-European green tax scheme
Local paper reports that officials are moving forward with plans to introduce a tax on carbon for China's heavy industries
Richard Evans, President of PepsiCo UK and Ireland, makes the case for green reforms to the UK's tax system
Report part of long-term vision to make firms accountable for environmental impacts
Official reveals government review is under way to assess the feasibility of a levy on carbon
Reductions proposed by the EU represents a 16 per cent decrease on 2007 levels, lower than most developed countries
Minister proposes temporary carbon tax on big business in attempt to secure support from Constitutional Court
But "it could come later" says candidate for future EU climate commissioner role
EU trade commissioner nominee warns carbon tariffs would provoke trade war