1 of 7: The 40 chosen singers took to the stage to deliver the story on climate change, alongside The Water Diviner
2 of 7: The Water Diviner felt he had failed his mission to educate the world on climate change - until he met the Lost Children
3 of 7: It was a hectic two-week residential camp which prepared the young singers for their time on the stage
4 of 7: The Weather Forecaster only gave messages of doom, until the Lost Children made their promises to help climate change
5 of 7: As the lights went down the spotlight was on The Water Diviner, who was questioning whether the Lost Children could help him
6 of 7: All the young singers held centre stage during the performance in the Royal Albert Hall
7 of 7: As the Weather Forecaster's predictions change, the finale takes place - and the Lost Children promise to help tackle climate change