S2.3 Water


Our Earth is sometimes called the blue planet because it looks blue from space. This is because there is really water everywhere. In the form of oceans, seas, rivers, groundwater and clouds. Humans and most animals are also mostly composed of water. Despite this, there are problems with (drinking) water and there is too little of it in some places. Learn about the water cycle and how we can use water sustainably together and for ourselves.

Key concepts

  • The sources of water in different parts of the world (water security) and the link to human development
  • The relationship between changes in the major water cycle, biodiversity, climate, soils, and human development
  • Measures to increase water efficiency in personal and community settings

Open Story & research Questions

Last modified: Sunday, 5 March 2023, 4:51 PM