applause please welcome henry snaith. ssor of physics at oxford, and through his engineering of low—cost photovoltaics, henry discovered a thin film henry discovered thin film solar cells made of perovskite. it could be a hugely significant discovery, as henry hopes it will eventually double the efficiency of solar power and halve the cost. danielle merfeld is an electrical engineer who is chief technology officer and vice—president of ge renewables. ge is the biggest creator of wind turbines worldwide, and she and her team currently have over 40,000 wind turbines out in the field. she'sjoining us by video link from north carolina, usa. kristian eikeland holmefjord is here from norway after braving 10 days�* quarantine on arrival in the uk. kristian is at the forefront of efforts to develop battery—powered ships as project director of fuel cells at corvus energy. wind, solar batteries, ships — please welcome our panel. applause so, we're going to start with talking about where we are now, and i wanted to start with you, da

please welcome henry snaith. 's professor of physics at oxford, and through his engineering of low—cost photovoltaics, henry discovered a thin film of solar cells made of perovskite. it could be a hugely significant discovery, as henry hopes it will eventually double the efficiency of solar power and halve the cost. danielle merfeld is an electrical engineer who is chief technology officer and vice—president of ge renewables. ge is the biggest creator of wind turbines worldwide, and she and her team currently have over 40,000 wind turbines out in the field. she'sjoining us by video link from north carolina, usa. kristian eikeland holmefjord is here from norway after braving 10 days�* quarantine on arrival in the uk. kristian is at the forefront of efforts to develop battery—powered ships as project director of fuel cells at corvus energy. wind, solar batteries, ships — please welcome our panel. applause. so, we're going to start with talking about where we are now, and i wanted to start with you, danielle. so, bef

please welcome henry snaith. d be a hugely significant discovery, as henry hopes it will eventually double the efficiency of solar power and halve the cost. danielle merfeld is an electrical engineer who is chief technology officer and vice—president of ge renewables. ge is the biggest creator of wind turbines worldwide, and she and her team currently have over 40,000 wind turbines out in the field. she'sjoining us by video link from north carolina, usa. kristian eikeland holmefjord is here from norway after braving 10 days' quarantine on arrival in the uk. kristian is at the forefront of efforts to develop battery—powered ships as project director of fuel cells at corvus energy. wind, solar batteries, ships — please welcome our panel.