King Charles set to miss COP29 amid monarch's ongoing cancer treatment

At the last summit, the King warned the world remains "dreadfully far off track" in key climate targets from the Paris Agreement in 2015 and called for change.

Despite the King's plans to skip Cop29, he is due to travel to Australia with Queen Camilla next week for a royal tour.

It is understood that the Government has decided not to ask King Charles to represent the country this year.

Sources told The Mirror that No10 felt "an abundance of caution" was needed given the monarch's current health battle.

They said: "The King will not be going to Cop. He has not been asked by the Government to attend the event and he is also mindful of his own commitments following the upcoming autumn tour."

The King has always been a keen environmentalist - a trait he passed to both his sons, Prince William and Prince Harry.

Speaking in a video address shown at the United Nations General Assembly in New York last month, the Prince of Wales spoke of the "grave threat" the planet is facing.

In the same week, the royal announced the 15 finalists of his prestigious annual Earthshot Prize Awards.

William spoke about how his travels around the globe had seen him "humbled by the Earth’s extraordinary beauty".

In between his weekly treatments in London, the King mostly spends his time in Scotland, "immersing himself in nature to aid his recovery".

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Last year, Charles was the only foreign Head of State invited to speak at the climate action meeting of global leaders, in honour of the work he has been undertaking in the environmental field for decades.

On Monday, it was announced the King's doctors are allowing him to "pause" his cancer treatment in order to fly to Australia for a high-profile royal visit next week.