Leading climate change researchers have launched a scathing attack on a speech delivered this week by Cardinal George Pell, describing it as "dreadful", "utter rubbish" and "flawed".

The Archbishop of Sydney Cardinal Pell, Australia’s most senior Catholic, is a long-time denier of the risks posed by human-caused climate change.

But he has taken his climate confusion right to the heart of England's Catholic church, with a speech (you can read the whole thing here) delivered at Westminster’s Cathedral Hall.