Thousands of years ago, people looked out across an ocean and asked themselves, What is on the other side? And the bravest of them began to travel and find the answers — beautiful islands, frozen lands, different peoples... And there are still interesting questions about the oceans. How do they change our weather? Why does the water go up and down twice a day? Why do most animals and plants live near the land? And what can possibly live at the bottom of the ocean, thousands of metres down, where there is no light? Surely nothing can stay alive in a place like that...

What are the most beautiful, the most interesting, the most wonderful things in the world? The Great Pyramid, the Great Wall of China, the Panama Canal — everyone has their favourites. And there are natural wonders too — Mount Everest, Niagara Falls, and the Northern Lights, for example. Here is one person's choice of eleven wonders. Some of them are made by people, and others are natural. Everyone knows the Grand Canyon and the Great Barrier Reef — but what about the Iguazu Falls, or the old city of Petra? Come and discover new wonders...

What are the most beautiful, the most interesting, the most wonderful things in the world? The Great Pyramid, the Great Wall of China, the Panama Canal — everyone has their favourites. And there are natural wonders too — Mount Everest, Niagara Falls, and the Northern Lights, for example. Here is one person's choice of eleven wonders. Some of them are made by people, and others are natural. Everyone knows the Grand Canyon and the Great Barrier Reef — but what about the Iguazu Falls, or the old city of Petra? Come and discover new wonders...

It's a terrible problem — or it's really not as bad as people say. There will be sudden big changes — or slower changes that we can learn to live with. It means the end for many animals, people, even while islands — but will this happen soon, or hundereds of years from now? What is the true story about climate change? Why is it happening, and what can we do about it? If we learn about the past, then perhaps there will be time to make changes for the future...