Tatsuo Ogawa, Group Chief Technology Officer for Panasonic Holding Corporation, speaks on the Panasonic Green Impact initiative during a news conference at CES 2023, an annual consumer electronics trade show, in Las Vegas, Nevada, U.S., January 4, 2023. REUTERS/Steve Marcus 

Tatsuo Ogawa, Group Chief Technology Officer for Panasonic Holding Corporation, and Megan Myungwon Lee, chairwoman and CEO of Panasonic Corporation of North America, speak on the Panasonic Green Impact initiative during a news conference at CES 2023, an annual consumer electronics trade show, in Las Vegas, Nevada, U.S., January 4, 2023. REUTERS/Steve Marcus 

Electric power transmission pylon miniatures and LONGi Green Energy Technology logo are seen in this illustration taken, December 9, 2022. REUTERS/Dado Ruvic/Illustration 

Britain's Prince William and Catherine, Princess of Wales speak with startup companies that work at Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, December 1, 2022. Angela Weiss/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales speak with startup companies that work at Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, December 1, 2022. Angela Weiss/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales arrive at Greentown Labs as they tour the location for a view of green technologies, in Somerville, Massachusetts, December 1, 2022. (Angela Weiss/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales tour Greentown Labs for a view of green technologies, in Somerville, Massachusetts, December 1, 2022. Angela Weiss/Pool via REUTERS 

Catherine, Princess of Wales speaks with startup companies that work at Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, December 1, 2022. Angela Weiss/Pool via REUTERS 

Catherine, Princess of Wales speaks with startup companies that work at Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, December 1, 2022. Angela Weiss/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales speak with startup companies that work at Greentown Labs as they tour the location for a view of green technologies, in Somerville, Massachusetts, December 1, 2022. Angela Weiss/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales speak with startup companies that work at Greentown Labs as they tour the location for a view of green technologies, in Somerville, Massachusetts, December 1, 2022. Angela Weiss/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales speak with startup companies that work at Greentown Labs as they tour the location for a view of green technologies, in Somerville, Massachusetts, December 1, 2022. Angela Weiss/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales tour Greentown Labs for a view of green technologies, in Somerville, Massachusetts, December 1, 2022. Angela Weiss/Pool via REUTERS 

Catherine, Princess of Wales speaks with startup companies that work at Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, December 1, 2022. Angela Weiss/Pool via REUTERS 

Catherine, Princess of Wales speaks with startup companies that work at Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, December 1, 2022. Angela Weiss/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales tour Greentown Labs for a view of green technologies, in Somerville, Massachusetts, on December 1, 2022. Angela Weiss/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales speak with startup companies that work at Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, USA, 01 December 2022. Cj Gunther/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales speak with startup companies that work at Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, USA, 01 December 2022. Cj Gunther/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales speak with startup companies that work at Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, USA, 01 December 2022. Cj Gunther/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales speak with startup companies that work at Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, USA, 01 December 2022. Cj Gunther/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales speak with startup companies that work at Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, USA, 01 December 2022. Cj Gunther/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales speak with startup companies that work at Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, USA, 01 December 2022. Cj Gunther/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales speak with startup companies that work at Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, USA, 01 December 2022. Cj Gunther/Pool via REUTERS 

Henry Dynov-Teixeira, 8, wears a King's Guard costume while holding flowers as he awaits the arrival of Britain's Prince William and Catherine, Princess of Wales to tour Greentown Labs for a view of green technologies developed in Somerville, Massachusetts, U.S., December 1, 2022. CJ Gunther/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales visit Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, U.S., December 1, 2022. CJ Gunther/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales visit Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, U.S., December 1, 2022. CJ Gunther/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales visit Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, U.S., December 1, 2022. CJ Gunther/Pool via REUTERS 

Britain's Prince William and Catherine, Princess of Wales visit Greentown Labs as they tour the location for a view of green technologies developed in Somerville, Massachusetts, U.S., December 1, 2022. CJ Gunther/Pool via REUTERS 

An employee of the farm in the disused World War Two bunker, where herbs and micro-greens are grown using hydroponic technology and LED lighting powered by renewable energy, is seen in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

Herbs and micro-greens grown at the underground farm in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, are pictured in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

A sign shows the way to an underground farm that grows herbs and micro-greens in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An employee inspects herbs and micro-greens that are grown in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An underground farm located in a disused World War Two bunker, that grows herbs and micro-greens using hydroponic technology and LED lighting powered by renewable energy, is pictured in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An employee inspects a tray of herbs and micro-greens that are grown in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

Zero Carbon Farm's business development director Olivia O'Brien inspects herbs and micro-greens that grow at a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An employee transports trays at a farm in a disused World War Two bunker that uses hydroponic technology and LED lighting powered by renewable energy to grow herbs and micro-greens, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

Employees prepare trays of herbs and micro-greens, grown at a farm in a disused World War Two bunker using hydroponic technology and LED lighting powered by renewable energy, for deliveries in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An employee harvests herbs and micro-greens that are grown in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

Buckets with seeds ready for planting are pictured at a farm in a disused World War Two bunker that uses hydroponic technology and LED lighting powered by renewable energy to grow herbs and micro-greens, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

The farm's head grower Tommaso Vermeir inspects seeds ready to plant in a disused World War Two bunker that uses hydroponic technology and LED lighting powered by renewable energy to grow herbs and micro-greens in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

Herbs and micro-greens grown at the underground farm in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, are pictured, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

The farm's head grower Tommaso Vermeir inspects seeds ready to plant in a disused World War Two bunker that uses hydroponic technology and LED lighting powered by renewable energy to grow herbs and micro-greens in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An employee transports trays of herbs and micro-greens that are grown in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An underground farm that grows herbs and micro-greens in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, is pictured in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An underground farm that grows herbs and micro-greens in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, is pictured in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An underground farm that grows herbs and micro-greens in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, is pictured in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

Herbs and micro-greens grown at the underground farm in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, are pictured, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

Zero Carbon Farm's business development director Olivia O'Brien inspects herbs and micro-greens that grow at a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An employee transports trays of herbs and micro-greens that are grown in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An underground farm, that grows herbs and micro-greens in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, is pictured in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

Zero Carbon Farm's business development director Olivia O'Brien inspects herbs and micro-greens that grow at a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

Zero Carbon Farm's business development director Olivia O'Brien poses for a portrait at a disused World War Two bunker that uses hydroponic technology and LED lighting, powered by renewable energy, to grow herbs and micro-greens in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An employee holds a tray of herbs and micro-greens that are grown in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

Zero Carbon Farm's business development director Olivia O'Brien poses for a portrait at a disused World War Two bunker that uses hydroponic technology and LED lighting, powered by renewable energy, to grow herbs and micro-greens in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

The farm's head grower Tommaso Vermeir inspects a tray of herbs and micro-greens that are grown in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An employee holds a tray of herbs and micro-greens that are grown in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

Zero Carbon Farm's business development director Olivia O'Brien poses for a portrait at a disused World War Two bunker that uses hydroponic technology and LED lighting, powered by renewable energy, to grow herbs and micro-greens in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

The farm's head grower Tommaso Vermeir inspects a tray of herbs and micro-greens grown in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

The farm's head grower Tommaso Vermeir inspects a tray of herbs and micro-greens grown in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska 

An employee harvests herbs and micro-greens that are grown in a disused World War Two bunker using hydroponic technology and LED lighting, powered by renewable energy, in London, Britain November 24, 2022. REUTERS/Maja Smiejkowska