Guardian: A key adviser to the prime minister on energy and climate change policies has resigned, in the latest of an exodus of top energy and environmental officials.
Ben Moxham was David Cameron's senior policy adviser on energy and the environment for nearly two years, having been previously an aide to Lord Browne, former chief executive of BP who is a partner at the venture capital firm Riverstone.
Moxham cut a controversial figure at No 10, with some in the energy industry regarding him as a progressive...