The chancellor dashed hopes in the renewable energy industry that it might figure in his talk of more public expenditure on big infrastructure projects.
Barack Obama said more about climate change in his inauguration speech – and expressed it more forcefully – than he did at any point in the 2012 election campaign and during much of his first term.
Barack Obama has launched a new digital campaign that aims to harness the massive database of supporters' emails he amassed over two presidential elections and use it to propel the ambitious agenda for his second term in office.
A US intelligence portrait of the world in 2030 predicts that China will be the largest economic power, climate change will create instability by contributing to water and food shortages, and there will be a "tectonic shift" with the rise of a global middle class.
Deirdre Bolton reports Wednesday's top headlines. She speaks on Bloomberg Television's Money Moves.
The impact of the superstorm Sandy was felt directly on the presidential election on Thursday when the popular mayor of New York, Michael Bloomberg, threw his support behind Barack Obama, citing Republican challenger Mitt Romney's failure to back climate change measures.
Brazilian negotiators have been accused of using strong-arm tactics at Rio+20 to secure a deal before heads of state start arriving for the Earth Summit later this week.
The world's love affair with Barack Obama is not quite over – but it's on the rocks. A survey of global opinion of the US president shows large numbers of non-Americans feel badly let down by the man awarded the 2009 Nobel peace prize.
The UK's environment secretary has hit back at criticism that David Cameron is not attending next week's Rio+20 sustainable development summit, saying the government takes sustainability seriously and there is "no lack of commitment" from the UK.
Protesters have claimed a victory after the Royal Bank of Scotland pulled out of a major sponsorship deal with the UK's largest campaign to combat climate change.