United Nations

Report reveals global food waste is resulting in 3.3 billion tonnes of greenhouse gas emissions a year

US hails new deal to phase out potent hydrofluorocarbon greenhouse gases as Poland sets out its ambitions for Warsaw climate summit

Brussels hopes only charging airlines for emissions in its airspace will advance a global deal this week - but take-off is likely to be delayed

Trade body unfazed by tribunal declaring UK's renewable energy plans may be in breach of Aarhus Convention

Climate Change Minister Tim Groser confirms country will reduce emissions by five per cent by 2020

James Murray talks to Georg Kell of the United Nations Global Compact and Peter Lacy of Accenture about the role CEOs can play to shape the sustainble agenda

New centre in Grenada aims to expand Clean Development Mechanism schemes in the region

Industry survey finds investors are using sustainability reports but want more transparent and comparable data

Council of the Least Developed Countries Fund and Special Climate Change Fund back projects in Cameroon, Namibia, Haiti and the Andean region

Final communique stresses that G8 leaders remain "strongly committed" to delivering ambitious global climate treaty