Leonardo DiCaprio has been named a UN Messenger of Peace with a special focus on climate change by United Nations Secretary-General Ban Ki-moon, who praised his commitment to fighting for environmental causes, particularly through the Leonardo DiCaprio Foundation.

DiCaprio commented 'I feel a moral obligation to speak out at this key moment in human history - it is a moment for action. How we respond to the climate crisis in the coming years will likely determine the fate of humanity and our planet'.