The climate science denial group, which has been trying to make inroads into Europe, claims it has “strong” ties to “big individuals” in the U.S. administration.

An official complaint slams MCC Brussels for failing to declare its funding, and warns that European democracy is under “severe attack”.

Craig Mackinlay has taken over as the director of the Global Warming Policy Foundation, which has claimed that carbon dioxide has been “mercilessly demonised”.

Hill & Knowlton played a key role in exporting Big Oil's PR tactics to the Southern Hemisphere.