"What once was a vacant lot, watch as truck by truck, a towering skyscraper is built"--

"People have been constructing tall buildings for thousands of years, for many different reasons. Castle walls kept people safe. Observatories give people a bird's-eye view. Beautiful buildings stand out in the crowd. With a growing global population, we need more space. But what does that mean for the health of the planet? Tall buildings may be part of the answer to building a sustainable future." -- Back cover. "Part of the nonfiction Orca Timeline...