LONDON, ENGLAND - JUNE 22: Prince William, Prince of Wales talks to former US Vice President Al Gore during a Business Forum for The Royal Foundation's United for Wildlife on June 22, 2026 in London, England. (Photo by Kirsty Wigglesworth - WPA Pool/Getty Images)

LONDON, ENGLAND - JUNE 22: Prince William, Prince of Wales meets members of a Business Forum for The Royal Foundation's United for Wildlife on June 22, 2026 in London, England. (Photo by Kirsty Wigglesworth - WPA Pool/Getty Images)

Britain's Prince William, Prince of Wales meets members of a Business Forum for The Royal Foundation's United for Wildlife in London on June 22, 2026. (Photo by Kirsty Wigglesworth / POOL / AFP via Getty Images)

Britain's Prince William, Prince of Wales (R) speaks with former US Vice President Al Gore (L) during a reception at a Business Forum for The Royal Foundation's United for Wildlife in London on June 22, 2026. (Photo by Kirsty Wigglesworth / POOL / AFP via Getty Images)

Britain's Prince William, Prince of Wales (R) shakes hands with former US Vice President Al Gore (L) during a reception at a Business Forum for The Royal Foundation's United for Wildlife in London on June 22, 2026. (Photo by Kirsty Wigglesworth / POOL / AFP via Getty Images)

Britain's Prince William, Prince of Wales meets members of a Business Forum for The Royal Foundation's United for Wildlife in London on June 22, 2026. (Photo by Kirsty Wigglesworth / POOL / AFP via Getty Images)

(FILES) Alan Greenspan, Former Chairman of the Federal Reserve Board, speaks on the current and future state of the US economy at the Economic Policy Conference hosted by the National Association for Business Economics in Arlington, Virginia, on February 24, 2014. AFP PHOTO / Saul LOEB. Greenspan, the longtime US Federal Reserve chief who presided over an unprecedented American economic expansion but was later faulted for failing to rein in financial markets before the 2008 global crisis, died on June 22, 2026, US media reported. (Photo by Saul LOEB / AFP via Getty Images)

(FILES) Former Chairman of the Federal Reserve Alan Greenspan speaks about "Brexit" and the state of the European and US economies during a discussion with Bloomberg Government at their offices in Washington, DC, June 27, 2016. Greenspan, the longtime US Federal Reserve chief who presided over an unprecedented American economic expansion but was later faulted for failing to rein in financial markets before the 2008 global crisis, died on June 22, 2026, US media reported. (Photo by SAUL LOEB / AFP via Getty Images)