More than 400,000 citizen activists, including more than 25,000 Sierra Club members, joined in what is being called the largest climate march in history.
"...a selection that ranges from the poignant to the picturesque." Check out these photos.
See what the New York Times has to say about the People's Climate March.
"Al Gore, Leonardo DiCaprio and U.N. Secretary General Ban Ki-moon joined a larger-than-expected throng of activists, scientists, students and elected officials who took to New York City’s streets Sunday for a massive march."