Claire Coutinho endorsed several figures linked to the Global Warming Policy Foundation, a group that questions established climate science.

Lord Frost is one of several departures from the Global Warming Policy Foundation, which has links to Tory leader Kemi Badenoch.

The Conservative leader, who attacked “radical green absolutism” in a Washington DC speech, recently met with a host of influential anti-climate figures.

Campaigners warn that the UK will face “pressure from American fossil fuel interests” to slow its energy transition.

Victoria Hewson called the 2050 ambition a “huge own goal” while working for a Tufton Street think tank.

Jeremy Clarkson spreads well-worn conspiracy theory that casts inheritance farm tax policy as plot to “replace farmers with migrants”.

The Climate Policy Institute attending the UN summit was founded by a state-backed think tank which has received fossil fuel funding.

The Heritage Foundation’s Project 2025 blueprint proposes sweeping anti-climate policies.

The new leader of the opposition has regularly criticised the UK’s green ambitions.

The Tory leadership candidate has welcomed the support of a group that claims “there is no greenhouse effect”.