pollution

Examines how and why social change occurs and the lasting influence of the environmental movement.

"Access to clean, fresh water is vital for all humans, but in many parts of the world, getting water is not as simple as turning on the tap. Contaminated water, especially in impoverished areas, kills millions of people a year, while warming oceans, Arctic melt, and disappearing rainforests are a threat to the environment. This book shows how humans use water and how we can help preserve it in the wake of these threats. Statistics and fact boxes help readers understand various issues related to water, from drought and flooding to desalination and pollution"--Amazon.

As our world becomes more industrialized, with new developing countries, expanding factories, and a growing global population, changes are happening to the air we breathe. In fact, those changes have been taking place over the course of many decades. This book offers an in-depth study of the history of the problem, featuring fast facts on air pollution and solutions for how we might make our air cleaner, healthier, and more breathable for the future.

Examines the quality of water, focusing on pollution and where it comes from.

Examines the perilous conditions of the nation's waterways and their effect on the ecosystem.

The hydrosphere encompasses all water on Earth--from glaciers and ice to rivers and oceans. People use water every day. This title asks the question, how much do you use? Readers will learn how humans use water, how humans positively and negatively affect water, and how to protect the water supply. Meets Next Generation Science Standards.

Nitrogen, oxygen, argon, and carbon dioxide are all gases in Earth's atmosphere. But what happens when there is too much or two little of a certain gas? Readers will learn how every day activities such as driving, heating buildings, and using aerosols release harmful gases into the air and how it affects the air we breathe. Meets Next Generation Science Standards.

Using the new C3 Framework for Social Studies Standards, these books explore environmentalism through the lenses of History, Geography, Civics, and Economics. In Clean Water, the text and photos look at the history, basic philosophies, and geography of this environmental issue. As they read, students will develop questions about the text, and use evidence from a variety of sources in order to form conclusions. Data-focused backmatter is included, as well as a bibliography, glossary, and index.

The Treehouse Times staff looks into some facts and figures given them by a biologist when they focus on Earth Day.

An exploration of water as a basic need, covering how plants and animals use it and water pollution.