powered ironing art that can even charge mobile phones. across london, to mark this moment, and environmental light show at a number of landmarks most notably a green buckingham palace. that was david sillitoe reporting. let s speak now with german climate activist luisa neubauer she s a member of the earthshot prize council panel and assigned with the task to award the one million pound prize to five of the finalists to support their innovative environmental solutions. good to have you with us. can you give a sense of the range of ideas and entries you have been going through and how impressed you have been with them. it through and how impressed you have been with them. been with them. it has been an adventure- been with them. it has been an adventure. we been with them. it has been an adventure. we have been with them. it has been an adventure. we have a - been with them. it has been an adventure. we have a very - been with them. it has been an i adventure. we have a very