USA

President Obama signs Memorandum to link climate and national security policy as renowned scientists slam Donald Trump for stance on climate action

US airline announces it has inked long term biofuel deal with SG Preston, delivering one of the largest renewable jet fuel deals in aviation history

Data gaps in China and political opposition in the US mean efforts to phase out fossil fuel subsidies continue to face significant challenges

In countries such as US, Japan and Australia business is more engaged on green agenda than policymakers, according to new analysis

Senior US military and national security experts demand "robust" strategy to tackle climate change, labelling it a major threat to US and international security

National Offshore Wind Strategy sets out how government can support hoped-for boom in offshore wind energy

US clean tech firm SolarWindow announces its liquid electricity-generating coating for windows has entered into development

Presidential hopeful Hillary Clinton says she would seek to nudge US emissions target up to 30 per cent cut from current 26-28 per cent goal

Restaurant chain commits to cutting energy use by 20 per cent over next decade as part of federal Better Buildings Challenge programme

The world's only two superpowers have confirmed the global economy is about to change beyond all recognition - businesses and investors have to respond