WWF: Effective action on climate change – caused mainly by the privileged and impacting more and more devastatingly on the deprived – is becoming central to a just as well as a sustainable world, WWF International Director General James Leape told an emergency human rights congress in London today. And action on climate change will not be effective unless it is also fair, Mr Leape told the congress convened under the patronage of noted Human Rights barrister Cherie Blair and Archbishop …