Rupert Murdoch, the 75-year-old chairman and chief executive of News Corp, is planning to push all parts of his media empire to become environmentally friendly, using the strategies put in place by his son and heir apparent James at British satellite operator BSkyB as a model, write Aline van Duyn and Andrew Jack in New York and Fiona Harvey in London.

Mr Murdoch, better known as a sceptic on global warming, said at a conference organised by Bill Clinton, former US president, that climate change was important and he was planning to put in place strategies across his News Corp media business to tackle it.