A detailed historical discussion on how and why the Earth's climate changed through time.

Observations, forecasts, scientific analyses and historical perspectives from research institutions.

An easy to understand and illustrated explanation.

Explore the causes and effects of climatic and environmental change through the use of real satellite data.

News and information on how the climate is changing, how tropical rain forests interact with climate, and how scientists are studying them today. Hosted by the National Museums of Scotland.

Get the lowdown with illustrated realtime graphics and animations.

NOVA and Frontline report that examines the science and politics of global warming and what climatologists really know about the greenhouse effect. Includes interactive tutorials.