The Climate March focuses specifically on climate change and urging the world to take climate justice seriously.
Environmental activist and former vice president Al Gore was among marching in Washington Saturday.
Leonardo DiCaprio and Lee Pace were among other celebrities showing their support for the cause.
Credit: Astrid Riecken/Getty Images; Inset: Matt Winkelmeyer/Getty Images
DiCaprio joined indigenous leaders to speak out against the devastating effects climate change is already having on native lands.
View a sampling of tweets below.
