TTLT: Presenting Science vs. Creating a Campaign

The monarch butterfly is in trouble — in large part because development is chewing up its habitat, including that of its feeding and host plants (milkweed) across North America.

Just to stabilize its population, the monarch needs an “additional 1.8 billion stems of milkweed,” according to Abigail Derby Lewis of Chicago’s Field Museum and Adele Simmons, a philanthropist, writing in a recent Chicago Tribune op-ed.