Charity hit by alleged $50bn fraud

UN boasts Clean Development Mechanism is having a global impact on cutting emissions

Debate over merits of corn-based ethanol heats up as campaigners remain divided on whether Obama should scrap generous subsidies

Company acquires rights to 960MW offshore wind farm that will be the largest in Germany

New £7.7m flood warning and response centre leads government response to the Pitt Review

Energy giant outlines ambition to deliver 500MW of solar capacity by 2012

Tighter emissions laws will prove too expensive with no help, say car manufacturers

Companies don't plan to cut back on green IT plans

Liberal Democrat leader outlines green solution to economic woes