Indie booksellers across the U.S. supported last Friday’s Global Climate Strike in many ways.

“No one can be certain that any of this will lead to change,” Silver Unicorn owner Paul Swydan wrote. “But at our employee meeting on Tuesday, we decided that closing until 5 p.m. was the right thing to do. It was asked of small businesses to close for a period of time today to show that our climate crisis calls for anything but ‘business as usual.’ And it isn’t.”