World in Crisis

The mastery of certain skills can only help students succeed in all areas of life, no matter what they do or where they do it. The toll that epidemics take, in terms of human life and economic stability, is monumental. The consequences when disease spreads are frequently as catastrophic as those wrought by wars and natural disasters. By dissecting the nature of epidemics and highlighting rampant diseases past and present, this book familiarizes readers with the dangers inherent in this looming health crisis. Discussion of personal steps students can take to help stem disease and what the future may hold are also included.

The global economy is a complex system. This volume helps young people understand just how it works. In an approachable, interesting style, it explains what the global economy is and how it has evolved, how national economies are more interdependent than ever before, and how the banking system plays a role in how money flows over borders. Readers also learn how such economic interdependence can lead to global financial crises. For students interested in how money works, this volume is a great resource in helping them understand the potential and perils of a financially interdependent world.

As the world's traditional sources of energy are gradually, being depleted, global energy usage continues to increase. The impetus to find new sources of energy is rendered even more urgent when you consider that traditional sources of energy are costly and can cause widespread damage to the Earth and its climate. This volume examines our reliance on fossil fuels, the risks associated with our continued dependence on them, and surveys the costs and benefits of other sources of energy, including nuclear energy, biofuels, and solar, wind, and water power.

While a few degrees rise in the average temperature of Earth's surface may not sound like a catastrophe, the race against climate change is truly a race for survival. At stake are the futures of billions of the planet's inhabitants, including people, animals, and plants. This book examines the causes and consequences of climate change, such as extreme weather and rising sea levels. Drawing upon authoritative sources, it provides key scientific facts and explains the problem in an accessible way. Sidebars examine the past, the future, and possible solutions and colorful images illuminate the changes in our world.

Hunger is the number-one health problem in the world. In this informative volume, readers will learn the causes of hunger, who is affected and where, what solutions are available, and how changes can be made to combat this pernicious problem. "Look to the Past" boxes highlight key events and people throughout the history of hunger. "Science Solutions" boxes offer thought-provoking options about how science might provide life-changing answers to some of the most difficult problems faced in feeding the hungry. "Countdown!" boxes provide statistics that put the need for fast, effective, and lasting solutions to hunger in perspective.

In 2011, the world population reached seven billion, adding to concerns about how to feed this vast number of people and how it will affect global warming, the energy supply, and health care. This volume is a comprehensive guide to overpopulation: how it happens in the United States and in other parts of the world, what it means, and what can be done to ease the issues that arise due to overpopulation. This is a modern issue, making it relevant to current events taught in a classroom.