Join CNN for an ongoing, in-depth look at global warming, species loss and other threats to the planet.

A year after the worst school shooting in U.S. history, students discover that while grief remains, rememberance and community bring comfort.

Meet the candidates, explore the issues and follow the campaign money.

Hollywood's golden night decided who walked home with Oscar.

Americans are gaining weight at an alarming rate. CNN's Dr. Sanjay Gupta examines solutions to leading a healthy lifestyle and I-Reporters share secrets of their weight loss success.

CNN explores some of the solutions to environmental problems -- both in your backyard and around the globe.

Our travel experts offer tips to help road-weary travelers lighten their loads and make the best of their next business trip.

With economic ups and downs, record debt and a multitude of everyday choices, managing your money is more important than ever.