The world of ice and snow is so magic and magnificent! The Antarctic ice lid could reach 4500 meters thick! But because of the greenhouse effect, there will be not any ice in arctic by 2050. Melting ice will lead to the difficulty of polar animals, and aggravate the sea level rising, flooding the coastal lowland and cities. This book tells the cause, effect, research and speculation of glacier melting,. Our planet is beautiful because of diversity of species and geographical landscape, so we must consider the influence of human activity on its environment. Its hoped this book will arouse the little readers to think.