Understand the geography and history of Antarctica, and find out about some of the important research there.
Key facts, videos and links about Barcelona.
World heritage sites are selected by UNESCO to identify, protect and preserve cultural and natural heritage around the world.
When is a forest a rainforest? Where are they and how to they help us in our daily lives? What's threatening their existence and what can we do?
Find out about water cycles, wind, rainfall, temperature and other weather related terms and measures.