Demonstrators participating in the Peoples Climate March unleashed their anger as they passed directly in front of the Trump Hotel in Washington where they booed loudly and chanted "Shame!" (Joe Heim/The Washington Post)

Tens of thousands of people assembled for the People’s Climate March in Washington, with eight cohorts representing different parts of the climate-change movement, marching from the Capitol to the White House.

Hundreds of satellite events were organized across the United States and around the world.

Here’s a compilation of some of the best signs so far from the marches.

Some demonstrators noted the oddity of marching to address, well, reality:

Others took advantage of horizontal space to show what climate change truly means:

But really, you can do a lot more with a chalkboard than with poster board:

Young and old came out to protest:


Brady Dennis / The Washington Post

It was a friendly crowd:

Although protesters were not fond of EPA Administrator Scott Pruitt:


Brady Dennis / The Washington Post

Some took the opportunity to comment on meteorology…

…or meteorology on other planets and moons:

Some calculated the return on investment for reducing climate change:

And marchers expressed support for the Paris climate agreement:


Brady Dennis / The Washington Post

Others unforgettably noted whom they’re really marching for:

And there were plenty of funny signs:

But there was one simple sign, held by many, that probably best captured the core message of the march:

This video gives a sense of the size of the march:

Finally, here’s a list of some more signs seen at the march on Saturday:

— Reduce, Reuse, Recycle, Resist

–Welcome to Mar-a-Lago 2020 (with an underwater scene)

–Floodwalls not border walls

–No Donald, the world is not flat. And climate change is real

–Keep your ash out of our rivers

–We can’t drink oil, we can’t breathe $$

–“Climate change is a hoax” is a hoax

–Keep your corporate hands off our public lands

–Zookeepers: Marching for those who have no voice

–Good planets are hard to find

–May the forest be with you

–Make Earth Great Again!