ecology

Simple text and color photographs introduce the plants and animals that live in the tundra.

Simple text and color photographs introduce the plants and animals that live in the rain forest.

Simple text and color photographs introduce the plants and animals that live in grasslands.

Simple text and color photographs introduce the plants and animals that live in forests.

Simple text and color photographs introduce the plants and animals that live in deserts.

When he has a dream about a future Earth devastated by pollution, Walter begins to understand the importance of taking care of the environment.

Curious George learns about recycling.

"In graphic novel format, follows Max Axiom as he uses the engineering process to design and build a recycling center"--Provided by publisher.

Trina learns how to conserve water and prevent litter to keep Earth's water clean.

"Over the canyon, the sun scalds the air, and bakes the desert mud to stone. But under the shade of the canyon hides another world, where bighorn sheep bound from rock to rock on the hillside, roadrunners make their nests in sturdy cacti, and banded geckos tuck themselves into the shelter of the sand. This book takes readers on a journey through the wonders concealed in the curves of the canyon, and all the secret life hidden in its arms"--Provided by the publisher.