Carbon dioxide is everywhere: in the air, rising from cracks in the ocean floor, and in your soda can. Now it's showing up in the news! Find out why carbon dioxide is such a hot topic, and why it's going to be around for a long, long time.
In the past 60 years, carbon dioxide in the atmosphere has increased 100 times faster than it did during the end of the last ice age.
China has overtaken the U.S. as the largest annual emitter, but all countries have to reduce their emissions if we want to stop further global warming. Every fraction of a degree of warming we avoid lowers the risks to people and other life on Earth.
Dr. Haiyan Teng explains why the moisture in the ground you walk across may have important consequences for the summertime climate.