LONDON, ENGLAND - JUNE 27: Bill Gates, founder of Breakthrough Energy during a tour of the Innovation Showcase at the Breakthrough Energy Summit on June 27, 2024 in London, England. The Breakthrough Energy Summit brings together leaders in technology, policy, science, academia, and business to collaborate on innovative climate solutions. Over 1,200 participants are expected to attend the 2024 Summit. (Photo by Chris Jackson - WPA Pool/Getty Images)

LONDON, ENGLAND - JUNE 27: Prince William, Prince of Wales wearing a recycled tie takes a tour of the Innovation Showcase at the Breakthrough Energy Summit on June 27, 2024 in London, England. The Breakthrough Energy Summit brings together leaders in technology, policy, science, academia, and business to collaborate on innovative climate solutions. Over 1,200 participants are expected to attend the 2024 Summit. (Photo by Chris Jackson - WPA Pool/Getty Images)

LONDON, ENGLAND - JUNE 27: Prince William, Prince of Wales wearing a recycled tie takes a tour of the Innovation Showcase at the Breakthrough Energy Summit on June 27, 2024 in London, England. The Breakthrough Energy Summit brings together leaders in technology, policy, science, academia, and business to collaborate on innovative climate solutions. Over 1,200 participants are expected to attend the 2024 Summit. (Photo by Chris Jackson - WPA Pool/Getty Images)

LONDON, ENGLAND - JUNE 27: Bill Gates, founder of Breakthrough Energy during a tour of the Innovation Showcase at the Breakthrough Energy Summit on June 27, 2024 in London, England. The Breakthrough Energy Summit brings together leaders in technology, policy, science, academia, and business to collaborate on innovative climate solutions. Over 1,200 participants are expected to attend the 2024 Summit. (Photo by Chris Jackson - WPA Pool/Getty Images)

LONDON, ENGLAND - JUNE 27: Bill Gates, founder of Breakthrough Energy and Prince William, Prince of Wales wearing a recycled tie take a tour of the Innovation Showcase at the Breakthrough Energy Summit on June 27, 2024 in London, England. The Breakthrough Energy Summit brings together leaders in technology, policy, science, academia, and business to collaborate on innovative climate solutions. Over 1,200 participants are expected to attend the 2024 Summit. (Photo by Chris Jackson - WPA Pool/Getty Images)

LONDON, ENGLAND - JUNE 27: Bill Gates, founder of Breakthrough Energy during a tour of the Innovation Showcase at the Breakthrough Energy Summit on June 27, 2024 in London, England. The Breakthrough Energy Summit brings together leaders in technology, policy, science, academia, and business to collaborate on innovative climate solutions. Over 1,200 participants are expected to attend the 2024 Summit. (Photo by Chris Jackson - WPA Pool/Getty Images)

LONDON, ENGLAND - JUNE 27: Bill Gates, founder of Breakthrough Energy during a tour of the Innovation Showcase at the Breakthrough Energy Summit on June 27, 2024 in London, England. The Breakthrough Energy Summit brings together leaders in technology, policy, science, academia, and business to collaborate on innovative climate solutions. Over 1,200 participants are expected to attend the 2024 Summit. (Photo by Chris Jackson - WPA Pool/Getty Images)

LONDON, ENGLAND - JUNE 27: Bill Gates, founder of Breakthrough Energy and Prince William, Prince of Wales wearing a recycled tie laughing during a tour of the Innovation Showcase at the Breakthrough Energy Summit on June 27, 2024 in London, England. The Breakthrough Energy Summit brings together leaders in technology, policy, science, academia, and business to collaborate on innovative climate solutions. Over 1,200 participants are expected to attend the 2024 Summit. (Photo by Chris Jackson - WPA Pool/Getty Images)