BOSTON, MASSACHUSETTS - NOVEMBER 30: Catherine, Princess of Wales and Prince William, Prince of Wales arrive at Logan International Airport on November 30, 2022 in Boston, Massachusetts. The Prince and Princess of Wales are visiting the coastal city of Boston to attend the second annual Earthshot Prize Awards Ceremony, an event which celebrates those whose work is helping to repair the planet. During their trip, which will last for three days, the royal couple will learn about the environmental challenges Boston faces as well as meeting those who are combating the effects of climate change in the area. (Photo by Chris Jackson/Getty Images)
BOSTON, MASSACHUSETTS - NOVEMBER 30: Prince William, Prince of Wales and Catherine, Princess of Wales arrive at Logan International Airport on November 30, 2022 in Boston, Massachusetts. The Prince and Princess of Wales are visiting the coastal city of Boston to attend the second annual Earthshot Prize Awards Ceremony, an event which celebrates those whose work is helping to repair the planet. During their trip, which will last for three days, the royal couple will learn about the environmental challenges Boston faces as well as meeting those who are combating the effects of climate change in the area. (Photo by Chris Jackson/Getty Images)
BOSTON, MASSACHUSETTS - NOVEMBER 30: Prince William, Prince of Wales and Catherine, Princess of Wales arrive at Logan International Airport on November 30, 2022 in Boston, Massachusetts. The Prince and Princess of Wales are visiting the coastal city of Boston to attend the second annual Earthshot Prize Awards Ceremony, an event which celebrates those whose work is helping to repair the planet. During their trip, which will last for three days, the royal couple will learn about the environmental challenges Boston faces as well as meeting those who are combating the effects of climate change in the area. (Photo by Chris Jackson/Getty Images)
BOSTON, MASSACHUSETTS - NOVEMBER 30: Prince William, Prince of Wales and Catherine, Princess of Wales arrive at Logan International Airport on November 30, 2022 in Boston, Massachusetts. The Prince and Princess of Wales are visiting the coastal city of Boston to attend the second annual Earthshot Prize Awards Ceremony, an event which celebrates those whose work is helping to repair the planet. During their trip, which will last for three days, the royal couple will learn about the environmental challenges Boston faces as well as meeting those who are combating the effects of climate change in the area. (Photo by Chris Jackson/Getty Images)