Global Warming -- National Geographic First Mammal Species Goes Extinct Due to Climate Change The humble Bramble Cay melomys has disappeared from its island in the Great Barrier Reef. Climate Change Making Calendars Run Amok People in Central Asia are recalibrating their system of time to adapt to a changing ecosystem. The Great Energy Challenge The National Geographic initiative is a call to action to become actively involved, to learn more and do more—to change how we think about and consume energy so that we can all help tackle the big energy questions. U.S.'s First Official Climate Refugees Race Against Time A Native American tribe struggles to hold on to their culture while their land slips into the Gulf of Mexico. Crocodiles and Palm Trees in the Arctic? The Arctic Is Melting.
Motion Math: Hungry Fish for iPhone 3GS, iPhone 4, iPhone 4S, iPhone 5, iPod touch (3rd generation), iPod touch (4th generation), iPod touch (5th generation) and iPad on the iTunes App Store Learn the Basics | A Student's Guide to Global Climate Change | US EPA Our world is always changing. Look out your window long enough, and you might see the weather change. Look even longer, and you'll see the seasons change. The Earth's climate is changing, too, but in ways that you can't easily see. The Earth is getting warmer because people are adding heat-trapping gases to the atmosphere, mainly by burning fossil fuels. The Greenhouse Effect Certain gases in the atmosphere keep the Earth warm through a process called the greenhouse effect. (<a href=".. to learn more about the greenhouse effect and how people are causing it to become stronger. Did You Know? Carbon dioxide can stay in the atmosphere for thousands of years!