Actor Leonardo DiCaprio has been the poster boy of environmentalism since his early days of success following 'Titanic'. He is a skilled orator who has provided voice to documentaries regarding the environment, and has actively communicated with politicians and people in positions of power. Through his non-profit organization, he has raised awareness about global warming, renewable energy, and the importance of preserving Earth's biodiversity. At different times, he has donated to support education, orphaned children, Haiti earthquake victims, Hurricane Harvey survivors and LGBT groups. Here we look at some of his most remarkable quotes from interviews and conference addresses. Apart from his acting career, he primarily talks about the environment, climate change, endangered species, and his dreams and visions.