Learn more about global warming. It could change our maps, and displace people from cities, and tropical islands.
Reviews how recent climate change compares to earlier changes in climate.
Connect your daily life experiences with specific points in a reading using a Double Entry Diary.
Charles David Keeling began measuring atmospheric carbon dioxide levels on top of Mauna Loa volcano in 1958. These data are extremely valuable in showing how fossil fuel burning is adding carbon to the atmosphere.
Learn about permafrost: where it is, what it is, and the global consequences if it melts. Melting permafrost is an example of a positive feedback mechanism in the climate system.