Inspired by the acclaimed Opposing Viewpoints series, this series helps readers gain an awareness of current issues and develop critical thinking skills by presenting a wealth of information on contemporary issues in a colorful, easy-to-read format.; This edition of the Introducing Issues with Opposing Viewpoints series examines the issue of global warming. The title explores whether or not global warming is actually occurring; potential threats posed by global warming, such as crop failure and extrem; In addition to pro/con articles, each Introducing Issues with Opposing Viewpoints volume includes appealing features designed to help students understand the complexities of current issues: Full-color photographs, charts, graphs, and cartoons supplement t