King Charles and U.S. President Joe Biden arrive to meet participants of the Climate Finance Mobilisation forum in the Green Drawing Room at Windsor Castle, Berkshire, during President Biden's visit to the UK. Picture date: Monday, July 10, 2023. Andrew Matthews/Pool via REUTERS 

King Charles and U.S. President Joe Biden arrive to meet participants of the Climate Finance Mobilisation forum in the Green Drawing Room at Windsor Castle, Berkshire, during President Biden's visit to the UK. Picture date: Monday, July 10, 2023. Andrew Matthews/Pool via REUTERS 

King Charles and U.S. President Joe Biden arrive to meet participants of the Climate Finance Mobilisation forum in the Green Drawing Room at Windsor Castle, Berkshire, during President Biden's visit to the UK. Picture date: Monday, July 10, 2023. Andrew Matthews/Pool via REUTERS 

King Charles and U.S. President Joe Biden arrive to meet participants of the Climate Finance Mobilisation forum in the Green Drawing Room at Windsor Castle, Berkshire, during President Biden's visit to the UK. Picture date: Monday, July 10, 2023. Andrew Matthews/Pool via REUTERS 

King Charles and U.S. President Joe Biden arrive to meet participants of the Climate Finance Mobilisation forum in the Green Drawing Room at Windsor Castle, Berkshire, during President Biden's visit to the UK. Picture date: Monday, July 10, 2023. Andrew Matthews/Pool via REUTERS 

King Charles and U.S. President Joe Biden arrive to meet participants of the Climate Finance Mobilisation forum in the Green Drawing Room at Windsor Castle, Berkshire, during President Biden's visit to the UK. Picture date: Monday, July 10, 2023. Andrew Matthews/Pool via REUTERS 

King Charles and U.S. President Joe Biden arrive to meet participants of the Climate Finance Mobilisation forum in the Green Drawing Room at Windsor Castle, Berkshire, during President Biden's visit to the UK. Picture date: Monday, July 10, 2023. Andrew Matthews/Pool via REUTERS 

U.S. President Joe Biden arrives to meet participants of the Climate Finance Mobilisation forum in the Green Drawing Room at Windsor Castle, Berkshire, during President Biden's visit to the UK. Picture date: Monday, July 10, 2023. Andrew Matthews/Pool via REUTERS 

United States Special Presidential Envoy for Climate John Kerry waits to meet King Charles and US President Joe Biden in the Green Drawing Room at Windsor Castle, Berkshire after they attended the Climate Finance Mobilisation forum. Picture date: Monday, July 10, 2023. Andrew Matthews/Pool via REUTERS 

Grant Shapps, Secretary of State for Energy Security and Net Zero, the United States Special Presidential Envoy for Climate, John Kerry, the President of the United States, Joe Biden and King Charles in the Green Drawing room to meet with participants of the Climate Finance Mobilisation forum at Windsor Castle on July 10, 2023, in Windsor, England. Chris Jackson/Pool via REUTERS 

Grant Shapps, Secretary of State for Energy Security and Net Zero, the United States Special Presidential Envoy for Climate, John Kerry, the President of the United States, Joe Biden and King Charles in the Green Drawing room to meet with participants of the Climate Finance Mobilisation forum at Windsor Castle on July 10, 2023, in Windsor, England. Chris Jackson/Pool via REUTERS 

Grant Shapps, Secretary of State for Energy Security and Net Zero, the United States Special Presidential Envoy for Climate, John Kerry, the President of the United States, Joe Biden and King Charles in the Green Drawing room to meet with participants of the Climate Finance Mobilisation forum at Windsor Castle on July 10, 2023, in Windsor, England. Chris Jackson/Pool via REUTERS 

Grant Shapps, Secretary of State for Energy Security and Net Zero, the United States Special Presidential Envoy for Climate, John Kerry, the President of the United States, Joe Biden and King Charles in the Green Drawing room to meet with participants of the Climate Finance Mobilisation forum at Windsor Castle on July 10, 2023, in Windsor, England. Chris Jackson/Pool via REUTERS 

Grant Shapps, Secretary of State for Energy Security and Net Zero, the United States Special Presidential Envoy for Climate, John Kerry, the President of the United States, Joe Biden and King Charles in the Green Drawing room to meet with participants of the Climate Finance Mobilisation forum at Windsor Castle on July 10, 2023, in Windsor, England. Chris Jackson/Pool via REUTERS 

The President of the United States, Joe Biden and King Charles in the Green Drawing room to meet with participants of the Climate Finance Mobilisation forum at Windsor Castle on July 10, 2023, in Windsor, England. Chris Jackson/Pool via REUTERS 

The President of the United States, Joe Biden and King Charles in the Green Drawing room to meet with participants of the Climate Finance Mobilisation forum at Windsor Castle on July 10, 2023, in Windsor, England. Chris Jackson/Pool via REUTERS 

The President of the United States, Joe Biden in the Green Drawing room to meet with participants of the Climate Finance Mobilisation forum at Windsor Castle on July 10, 2023, in Windsor, England. Chris Jackson/Pool via REUTERS 

The President of the United States, Joe Biden in the Green Drawing room to meet with participants of the Climate Finance Mobilisation forum at Windsor Castle on July 10, 2023, in Windsor, England. Chris Jackson/Pool via REUTERS 

Grant Shapps, Secretary of State for Energy Security and Net Zero, the United States Special Presidential Envoy for Climate, John Kerry, the President of the United States, Joe Biden and King Charles in the Green Drawing room to meet with participants of the Climate Finance Mobilisation forum at Windsor Castle on July 10, 2023, in Windsor, England. Chris Jackson/Pool via REUTERS 

Secretary of State for Energy Security and Net Zero Grant Shapps and the United States Special Presidential Envoy for Climate John Kerry wait to meet King Charles and US President Joe Biden in the Green Drawing Room at Windsor Castle, Berkshire after they attended the Climate Finance Mobilisation forum. Picture date: Monday, July 10, 2023. Andrew Matthews/Pool via REUTERS 

India's Prime Minister Narendra Modi participates in a meeting with U.S. President Joe Biden and senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and India's Prime Minister Narendra Modi talk during a meeting with senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden attends a meeting with India's Prime Minister Narendra Modi and senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

India's Prime Minister Narendra Modi looks on during a meeting with U.S. President Joe Biden and senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

India's Prime Minister Narendra Modi gestures during a meeting with U.S. President Joe Biden and senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden speaks during a meeting with India's Prime Minister Narendra Modi and senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden looks on during a meeting with India's Prime Minister Narendra Modi and senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and India's Prime Minister Narendra Modi meet with senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

Anand Mahindra, Chairman of Mahindra Group, looks on during a meeting with U.S. President Joe Biden, India's Prime Minister Narendra Modi and senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

Apple CEO Tim Cook looks on during a meeting with U.S. President Joe Biden, India's Prime Minister Narendra Modi and senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

Sundar Pichai, CEO of Google, reacts during a meeting with U.S. President Joe Biden, India's Prime Minister Narendra Modi and senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and India's Prime Minister Narendra Modi meet with senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and India's Prime Minister Narendra Modi meet with senior officials and CEOs of American and Indian companies, including Apple CEO Tim Cook and Satya Nadella, CEO of Microsoft, in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and India's Prime Minister Narendra Modi meet with senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and India's Prime Minister Narendra Modi meet with senior officials and CEOs of American and Indian companies, including Apple CEO Tim Cook and Satya Nadella, CEO of Microsoft, in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and India's Prime Minister Narendra Modi meet with senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and India's Prime Minister Narendra Modi meet with senior officials and CEOs of American and Indian companies in the East Room of the White House in Washington, U.S., June 23, 2023. REUTERS/Evelyn Hockstein 

Britain's Queen Camilla meets with British actress Judi Dench during a reception for the inaugural Queen's Reading Room Literary Festival at Hampton Court Palace, East Molesey, Surrey, Britain June 11, 2023. Adrian Dennis/Pool via REUTERS 

Britain's King Charles III meets with guests during a reception for the inaugural Queen?s Reading Room Literary Festival at Hampton Court Palace, East Molesey, Surrey, Britain June 11, 2023. Adrian Dennis/Pool via REUTERS 

Britain's King Charles III meets with guests during a reception for the inaugural Queen?s Reading Room Literary Festival at Hampton Court Palace, East Molesey, Surrey, Britain June 11, 2023. Adrian Dennis/Pool via REUTERS 

Britain's King Charles III meets with guests during a reception for the inaugural Queen?s Reading Room Literary Festival at Hampton Court Palace, East Molesey, Surrey, Britain June 11, 2023. Adrian Dennis/Pool via REUTERS 

Britain's King Charles meets with British actors Derek Jacobi and Richard E. Grant during a reception for the inaugural Queen's Reading Room Literary Festival at Hampton Court Palace, East Molesey, Surrey, Britain June 11, 2023. ADRIAN DENNIS/Pool via REUTERS 

Britain's King Charles meets with British author and broadcaster Gyles Brandreth, during a reception for the inaugural Queen's Reading Room Literary Festival at Hampton Court Palace, East Molesey, Surrey, Britain June 11, 2023. ADRIAN DENNIS/Pool via REUTERS 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden speaks next to U.S. Treasury Secretary Janet Yellen during a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden holds a cabinet meeting in the Cabinet Room of the White House in Washington, U.S., June 6, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden speaks to the media as he meets with leaders of his federal emergency preparedness and response team to receive the annual briefing on extreme weather preparedness in the Roosevelt Room at the White House in Washington, U.S., May 31, 2023. REUTERS/Evelyn Hockstein