The Queen has called on nations to work together to beat climate change, saying it is the greatest challenge facing the world.

She said global leaders, businesses and civil society have a ‘shared responsibility’ to help save the planet.

Her Majesty also said she is ‘proud of how the United Kingdom is seeking to secure a sustainable future’, but added: ‘There is still much more to do.’

In an overheard exchange following the opening of the Welsh Senedd she appeared to express her exasperation just a few weeks before world leaders gather in Glasgow for the Cop26 UN climate change conference.

The Queen welcomed billionaire business leaders, presidential envoys and tech entrepreneurs to Windsor Castle for a reception on Tuesday following a Government investment summit.

Microsoft co-founder Bill Gates was among the guests invited to her Berkshire home after the day-long conference in London aimed at encouraging foreign funding by showcasing the best of British innovation.

The Queen was joined by the Prince of Wales and the Duke of Cambridge at the reception, and met some of the leading figures in the castle’s green drawing room before the royals mingled more widely.

Prime Minister Boris Johnson was due to be introduced first, but he appeared after the Queen began welcoming her guests and took his place at the end of the line.

In a foreword for the Global Investment Summit’s official brochure, the Queen urged nations to ‘rise to the challenge’ and avert the problems associated with climate change.

She described how tackling the pandemic had inspired scientific breakthroughs and how innovation in the UK often comes from ‘teamwork against adversity’ like the Second World War efforts of Alan Turing and colleagues in breaking the Nazi regime’s Enigma Code.

The 95-year-old head of state added: ‘The challenge of today, however, is not in breaking a code. It is in working together across the globe to avert the challenges of climate change.

‘It is our shared responsibility, of those in government, business, and civil society, to rise to this challenge.

‘I am proud of how the United Kingdom is seeking to secure a sustainable future, yet there is still much more to do.

‘This summit is not just a showcase, but an opportunity to come together and, in the generous spirit of collaboration, forge new partnerships.’

The Queen, Charles and William are all planning to attend the Cop26 summit next month as the UK looks to ‘pull out all the stops’ to convince critical nations to join the fight against climate change.

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