Science on climate crisis is undeniable, Prince Harry says

'It's a race against time and one we are losing,' says Harry as he visits reforestation project in Botswana

Prince Harry has said the science on the climate crisis is undeniable as, led by Greta Thunberg, the "world's children are striking" to force action.

The Duke of Sussex is in Botswana helping to create a new forest habitat after decades of deforestation because of locals gathering firewood and through elephant activity.