Showing results by author "Nancy F. Castaldo" in All Categories

What would you do if you turned on the faucet one day and nothing happened? What if you learned the water in your home was harmful to drink? Water is essential for life on this planet, but not every community has the safe, clean water it needs. In When the World Runs Dry, award-winning science...

In this exhilarating installment of the award-winning Scientists in the Field series, journey to the isolated islands of Isle Royale National Park where the longest predator/prey study in the world is being conducted along with a controversial genetic rescue to save not only the wolves and moose...

In Beastly Brains, Nancy Castaldo delves into the minds of animals and explores animal empathy, communication, tool use, and social societies through interviews and historical anecdotes. Researchers from Charles Darwin to Jane Goodall have spent years analyzing the minds of animals, and today's science is revolutionizing old theories and uncovering surprising similarities to our own minds. Humans are not alone in our ability to think.

Every inch of the United States is in a river’s watershed. But in 1966, one of our most important watersheds was dying. Dead fish washed up on the Hudson River’s shores, and the once-clear water reeked of oil. With too much pollution to support human or animal life, America’s “First River” was in too deep—until a Riverkeeper, a pioneering group of environmental activists, fought to get rivers around the globe out of troubled waters. Nonfiction pro Nancy Castaldo showcases Riverkeeper’s achievements and the intersection of science and activism.

Squirrels are a common sight, seemingly everywhere in wild and urban nature. But squirrels are more than amusing backyard entertainers, and few of us know much about them or fully appreciate their role in keeping the environment healthy. As stress on the natural world intensifies, should we be paying more attention to the plight of squirrels? In Squirrel, Nancy Castaldo shines new light on this familiar backyard mammal, exploring their staggering diversity and the many surprising ways they shape our world, our communities, and our cultures.

Whales in the City features sound design and special effects to enhance your listening enjoyment. Listen out for the sounds of New York City and the songs of whales! For fans of If Sharks Disappeared, this kid-friendly audiobook is a true story about how community action saved the whales of New...