The area of sea ice that has disappeared between 1981 and 2010 is about 770,00 square miles. But the most important point is that whatever happened in the past is really irrelevant. If Polar Bears Disappeared by Lily Williams. Booktopia has If Polar Bears Disappeared, If Animals Disappeared by Lily Williams. Buy If Polar Bears Disappeared (Hardback) by Lily Williams. Williams uses accessible, charming art to explore what would happen if the sea ice melts, causing the extinction of polar bears, and how it would affect environments around the globe. Also in This Series. Lily Williams is the author and illustrator of If Sharks Disappeared, If Polar Bears Disappeared, and If Elephants Disappeared. What would happen if polar bears disappeared from the planet? Lily seeks to inspire change, engage audiences, and educate people of all ages with her artwork. Subjects. Buy a discounted Hardcover of If Polar Bears Disappeared online from Australia's leading online bookstore. If Polar Bears Disappeared by Lily Williams is this year’s early-grade selection. She grew up in Northern California where she received her B.F.A. K-Gr 3— In this appealing follow-up to If Sharks Disappeared, a budding scientist travels to the Arctic, using polar bears as a framework for explaining the effects of climate change.Up-to-date information on the subject is presented in a straightforward manner, with scientifically correct vocabulary. More Like This Subjects. FANTASTIC OFFERS on quality books, collections, audio CD's and more - EXCLUSIVE to Book People. “And the polar bears didn’t move onto land, they didn’t evolve into another way to stay alive, they just disappeared. from California College of the Arts. Find out in this gorgeous, accessible nonfiction picture book that imagines the consequences of a world without polar bears. From £12.99. If Polar Bears Disappeared uses accessible, charming art to explore what would happen if the sea ice melts, causing the extinction of polar bears, and how it would affect environments around the globe. If Polar Bears Disappeared book. Polar bear habitat is disappearing due to global warming. “Mother Nature,” he adds, “has already shown us that if we allow the sea ice to disappear, polar bears will disappear with it.” Our tremendous attention to the polar bear's apparently imminent and polar bear populations, which total about 25, animals, are actually growing. Polar Bears Are Getting Hungrier It has been estimated that every decade the sea ice shrinks by about 14 percent due to global warming. Even the most.