CLEAN : DiCaprio criticises climate change deniers running for president

The video begins with greetings and expressions of gratitude. It then transitions into a discussion about the speaker's involvement in movies and an upcoming documentary, which is set to release before the next U.S. election. The speaker emphasizes the importance of having political leaders who believe in modern science, particularly in addressing climate change, which is highlighted as a critical issue for humanity.

What new insight or understanding did you gain from this video?