BRISTOL, ENGLAND - JANUARY 22: Prince William, Prince of Wales holds two boxes with waste products as he visits Matter, a pioneer in sustainable technology and a 2025 Earthshot Prize Finalist, on January 22, 2026 in Bristol, England. The Prince of Wales is visiting Bristol to view the city's achievements in sustainability. (Photo by Alastair Grant - WPA Pool/Getty Images)

BRISTOL, ENGLAND - JANUARY 22: Prince William, Prince of Wales holds two boxes with waste products as he visits Matter, a pioneer in sustainable technology and a 2025 Earthshot Prize Finalist, on January 22, 2026 in Bristol, England. The Prince of Wales is visiting Bristol to view the city's achievements in sustainability. (Photo by Alastair Grant - WPA Pool/Getty Images)

BRISTOL, ENGLAND - JANUARY 22: Prince William, Prince of Wales visits Matter, a pioneer in sustainable technology and a 2025 Earthshot Prize Finalist, on January 22, 2026 in Bristol, England. The Prince of Wales is visiting Bristol to view the city's achievements in sustainability. (Photo by Alastair Grant - WPA Pool/Getty Images)

BRISTOL, ENGLAND - JANUARY 22: Prince William, Prince of Wales visits Matter, a pioneer in sustainable technology and a 2025 Earthshot Prize Finalist, on January 22, 2026 in Bristol, England. The Prince of Wales is visiting Bristol to view the city's achievements in sustainability. (Photo by Alastair Grant - WPA Pool/Getty Images)

Britain's Prince William, Prince of Wales pays a visit to the headquarters of Matter, a pioneer in sustainable technology, in the city of Bristol, south-west England, on January 22, 2026. (Photo by Alastair Grant / POOL / AFP via Getty Images)

Britain's Prince William, Prince of Wales gestures during his visit to the headquarters of Matter, a pioneer in sustainable technology, in the city of Bristol, south-west England, on January 22, 2026. (Photo by Alastair Grant / POOL / AFP via Getty Images)

BRISTOL, ENGLAND - JANUARY 22: Prince William, Prince of Wales talks to Adam Root, CEO, as he visits Matter, a pioneer in sustainable technology and a 2025 Earthshot Prize Finalist, on January 22, 2026 in Bristol, England. The Prince of Wales is visiting Bristol to view the city's achievements in sustainability. (Photo by Alastair Grant - WPA Pool/Getty Images)

BRISTOL, ENGLAND - JANUARY 22: Prince William, Prince of Wales talks to Adam Root, CEO, as he visits Matter, a pioneer in sustainable technology and a 2025 Earthshot Prize Finalist, on January 22, 2026 in Bristol, England. The Prince of Wales is visiting Bristol to view the city's achievements in sustainability. (Photo by Alastair Grant - WPA Pool/Getty Images)