A detailed map of North and South America's plant diversity. American Association for the Advancement of Science (AAAS) Journal Science DOI 10.1126/science.aao0398. Keywords ...

Let your eyes wander to the areas of this map that deepen into red. They are the places in the lower 48 United States most likely to have plants and animals at high risk of global extinction.

Justin Madron details how he and his colleagues iterated through approaches to bring this history to life in an impactful and intuitive way.