Activists aim to make it “politically toxic” for elected representatives to associate with coal, oil and gas companies.

Parliamentary candidate Noel Matthews, who has sacked candidates accused of supporting far-right figures, previously defended the EDL founder.

The group, which received money from BP for at least 50 years, is “cementing its role as a major mouthpiece for climate change scepticism”, campaigners say.

A new report details the state and corporate producers that bear responsibility for 80 percent of carbon dioxide emissions since the Paris Agreement.