The more we study the world around us, the more living things we discover every day. The planet is full of millions of species of plants, birds, animals, and microbes, and every single one including us is part of a big, beautiful, complicated pattern. When humans interfere with parts of the pattern, by polluting the air and oceans, taking too much from the sea, and cutting down too many forests, animals and plants begin to disappear. What sort of...

A group of friends discovers a neglected pond in the woods and decides to fix it up together.

Presents a brief study of the snows of Mount Kilimanjaro located on the eastern part of Africa and examines why the snow and ice seems to be disappearing.

Examines the environmental needs of birds around the world and the effect that human behavior has had on their ability to survive, with examples of the efforts being made by scientists and conservationists to save specific species of birds.

Describes the Florida Everglades, the evolution of this unique area, and the impact humans have had on its once-abundant life forms.

A newly-emerged peppered moth blends in with other speckled-winged moths on lichen-covered branches, but over time the moths with black wings increase as trees are blackened by soot from man-made machines.

"Earth's climate is changing and human activities are the cause. Find out how climate change affects the environment and what and what we can do to help the planet"--Back cover.