There have been a string of stunts recently with climate activists targeting artwork, from Van Gogh’s “Sunflowers” and Monet’s “Grainstacks” being attacked with soup and mashed potatoes, and an individual gluing his head to Vermeer’s “Girl with a Pearl Earring.” These protests have reinvigorated conversations about the “3.5% rule,” which suggests a movement needs only 3.5% of the population involved to be successful. Or, at least that’s what some climate activists have claimed.

Host Ethan Brown argues why the 3.5% rule might not be applicable to climate advocacy and why leading with the goal of inspiring as many people as possible could produce more success in “Tip of the Iceberg.”

For more information, see the companion “Tip of the Iceberg” column here.