Stories by Karl Mathiesen

Karl Mathiesen is an environmental journalist. He writes the Guardian's Eco Audit. Follow him on Twitter @karlmathiesen. subscribe to Karl Mathiesen's feed

Posted on: Jul 29, 2015, Source: The Guardian

Clinton’s first climate change policy pitch – for renewables to provide 33% of the nation’s electricity by 2027 – is bold, but the U.S. must look beyond solar for a clean energy revolution.

Posted on: Jun 5, 2015, Source: The Guardian

U.S. researchers debunk another skeptic talking point.

Posted on: Jul 31, 2014, Source: The Guardian

Action in China, falling solar costs and rising electric car sales, for starters.