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Prince William, Prince of Wales and Catherine, Princess of Wales receive flowers from Henry Dynov-Teixeira, 8, as they depart Greentown Labs, which bills itself as the worlds largest climate technology startup incubator, in Somerville, Massachusetts, on December 1, 2022. (Photo by ANGELA WEISS / AFP) (Photo by ANGELA WEISS/AFP via Getty Images)

Prince William, Prince of Wales and Catherine, Princess of Wales receive flowers from Henry Dynov-Teixeira, 8, as they depart Greentown Labs, which bills itself as the worlds largest climate technology startup incubator, in Somerville, Massachusetts, on December 1, 2022. (Photo by ANGELA WEISS / AFP) (Photo by ANGELA WEISS/AFP via Getty Images)

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Britain's Prince William, Prince of Wales, and Catherine, Princess of Wales, visit Greentown Labs, which bills itself as the worlds largest climate technology startup incubator, in Somerville, Massachusetts, on December 1, 2022. (Photo by CJ GUNTHER / POOL / AFP) (Photo by CJ GUNTHER/POOL/AFP via Getty Images)

Britain's Prince William, Prince of Wales, and Catherine, Princess of Wales, visit Greentown Labs, which bills itself as the worlds largest climate technology startup incubator, in Somerville, Massachusetts, on December 1, 2022. (Photo by CJ GUNTHER / POOL / AFP) (Photo by CJ GUNTHER/POOL/AFP via Getty Images)

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Britain's Prince William, Prince of Wales, and Catherine, Princess of Wales, visit Greentown Labs, which bills itself as the worlds largest climate technology startup incubator, in Somerville, Massachusetts, on December 1, 2022. (Photo by ANGELA WEISS / AFP) (Photo by ANGELA WEISS/AFP via Getty Images)

Britain's Prince William, Prince of Wales, and Catherine, Princess of Wales, visit Greentown Labs, which bills itself as the worlds largest climate technology startup incubator, in Somerville, Massachusetts, on December 1, 2022. (Photo by ANGELA WEISS / AFP) (Photo by ANGELA WEISS/AFP via Getty Images)