Sir David King, a former chief scientific adviser, writes in the Guardian to urge prime minister to fill 'leadership vacuum'
David Cameron must end his silence on climate change and "step up to the plate" to provide international leadership, the former government chief scientific adviser Prof Sir David King says on Wednesday....
BP's $200m Lightsource injection may be a drop in the ocean for the UK oil giant, but it demonstrates growing recognition of the risks of fossil fuels
Zero-waste organisations such as GM and P&G see opportunity, not a materials migraine
Deal is part of a plan to transform tidal power firm into a "global green power enterprise"
Oil giant to acquire 43 per cent in Europe's largest solar developer, which will be rebranded Lightsource BP