Imagine life on Earth without water. Could you live in such a world? Today, almost all life on Earth relies on water, including plants and animals. Freshwater habitats include lakes, rivers, wetlands, ice and even water trapped in the ground. This habitat acts as a source of food, air and water for plants, animals and people all over the world. Learn about the geography and resources of freshwater habitats as well as how animals and people have adapted to and changed freshwater environments. Explore this habitat's future and what people can do to help keep it safe. Part of the Exploring Earth's Habitats series.