It’s unclear how many people will attend, but demonstration permits from the National Park Service indicate that organizers are prepared to accommodate 50,000 to 100,000 people. Actor Leonardo DiCaprio, Virgin Airlines founder Richard Branson and former vice president Al Gore are expected to attend, according to the permit.
Hundreds of smaller climate marches are planned across the country to coincide with the main event in Washington.
Thanu Yakupitiyage, national communications manager at 350.org — an advocacy group that is part of the coalition organizing the [People’s Climate March] — said …
“The March for Science was really the response of scientists who felt that there was really an assault on rationality and science,” she said. “This is really more of a community response.”
— Perry Stein via @WashingtonPost