Leonardo DiCaprio has earned many awards and honours throughout his famed movie career, but his most recent accolade may eclipse them all due to the influence the 39 year-old actor can now have all over the world.

Leonardo DiCaprio
DiCaprio has been named a U.N. Mesenger of Peace

DiCaprio has been bestowed with the title of Messenger of Peace by the United Nations, and he is already set to publically speak at the U.N. Climate Summit on September 23rd to address the impact of climate change.

Secretary-General Ban Ki-moon made the announcement on Tuesday (Sept 16th), and in a press conference he said, Dicaprio "is not just one of the world's leading actors" but he has "a longstanding commitment to environmental causes."

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"It's an honor to accept the role of U.N. Messenger of Peace on Climate Change and to support the Secretary General in his efforts to address one of the most important issues we face as a global community," said DiCaprio in a statement. "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."

The 'Wolf of Wall Street' actor is no stranger to issues involving climate change, in 1998 he established a foundation to promote awareness between humanity and the natural world, which his aim is to protect. The Leonardo Dicaprio Foundation donated $3 million to the marine conversation organization, Oceana, and later pledged another $7 million to help organizations that work to protect the earth's oceans.

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Leo now joins an illustrations group of individuals who promote the work of the U.N., which includes Edward Norton, Michael Douglas, Charlize Theron, George Clooney and Stevie Wonder.