At last, Leonardo DiCaprio has won his first Academy Award for Best Actor in The Revenant. In his Oscar speech, he thanked everyone who helped him on the way and took the time to talk about climate change.

Leonardo DiCaprio Wins His First Oscar for 'The Revenant'

After five Oscar nominations, Leonardo DiCaprio finally walked off the stage Sunday night with the coveted gold trophy.

The actor, who was a favorite to win, took home the Academy Award for Best Actor for his role in "