Kate Middleton and Prince William Continue U.S. Trip with Special "Green" Outing

Before Friday's Earthshot Prize Awards, the Prince and Princess of Wales are exploring Boston's climate advances.

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After sitting courtside at the Celtics game on Wednesday night, Kate Middleton and Prince William were up and running on Thursday morning for a busy day of trips during their three-day visit to Boston.

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Greentown Labs in Somerville showed the Prince and Princess of Wales how the organization is fighting the climate catastrophe.

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The couple's visit is appropriate before Friday's Earthshot Prize Awards, which will honor global environmental accomplishments.

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Kate and Prince William, both 40, also met with Greentown Labs start-ups to learn about climate technology innovations.

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These inventors addressed the five Earthshot Prize categories:

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Fix The Climate, Protect and Restore Nature, Build a Waste Free World, Revive Your Oceans, and Clean Our Air.

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