In this book you will learn in a clear and concise form what the difference is between weather and climate, which factors determine the climate, how the ozone layer protects the earth, why the shifting of the continents changes the climate, why mass extinctions occurred again and again, how the glaciation of Greenland creates a dessert in Africa, why long-term climate predictions are fundamentally uncertain, how mankind has changed the global climate for two centuries, why greenhouse gases cause hurricanes and what we can do about climate change.