Ranging from tiny single-celled creatures to the larger-than-life whales, the ocean is filled with life. Dive into the wonderful world under the sea!

An in-depth look at how icebergs and glaciers have shaped our rivers, mountains, and earth, as well as the effect climate change is having on them and our planet.

No matter where you walk, you can find rocks and minerals. They give us clues to what happened millions and millions of years ago in Earth’s history.

Learn all about the water cycle, the effect on our planet of rising ocean temperatures, how essential clean water is around the world, and more!

This striking photo essay book for the youngest readers (and pre-readers) explores colors in nature.

This newly (2012) updated dictionary defines words and terms commonly used in discussing the environment. 

Hiding on the floor of Earth’s tropical oceans are magnificent and colorful coral reefs. (Hardcover, paperback and eBook now available!)

This intimate and beautiful study of Earth investigates the relationship between our planet, the sun, and the moon.

These mind-bending facts and stunning photographs make for an exciting, and sometimes unbelievable, underwater expedition!

"Like the passengers on a ship, all the humans, plants and animals of the world are traveling together, shipmates on this huge spaceship we call Earth."

An exciting, and sometimes unbelievable, scientific expedition of Earth’s most amazing records!

Turtles that swim more than a thousand miles to lay their eggs and long lines of lobsters walking across the ocean floor?!

When polar bears migrate, are they moving across the ice, or is the ice moving them? 

What can you do to be safe in a tornado?

How do mountains grow and disappear?

Can wildfires ever be a good thing?

Why are icebergs more dangerous to ships than they look? 

¿Qué tipo de tormenta es la más peligrosa para la gente?

Which kind of storm is the most dangerous to people?

Can you outrun a river of lava flowing down a volcano slope?

Ever wonder what makes the wind blow or where clouds come from or why it rains?

Volcanoes can erupt and send red-hot rocks and ash flying through the air for hundreds of miles around.

Which animals live in small ponds on the tops of trees and never see the ground? 

Earth is the only planet in our Solar System with water on its surface—more than 1.5 quintillion tons of water—and it’s constantly in motion.

Lightning strikes the earth more than a hundred times every second of every day of the year.

The gigantic swirling storms called hurricanes bring heavy rains, flooding, and destructive winds.

If there’s global warming, why is it snowing?

Earthquakes can be the most destructive disasters in nature, destroying whole cities and killing hundreds of thousands of people.