STORY: "These historic weather events are no longer historic. More and more, they are part of our daily lives. And this crisis will only grow worse - unless our leaders lead."
Prince Harry was speaking amid an unprecedented heatwave sweeping southern Europe which has caused hundreds of deaths and huge wildfires.
Much of Europe is baking in a heatwave that scientists say is consistent with climate change and has pushed temperatures into the mid-40s Celsius (over 110 Fahrenheit) in some regions, with wildfires raging across tinder-dry countryside in Portugal, Spain and France.