Although they seem different, energy and water are often collocated by international organizations and in the media; why is that? In fact, both energy and water are essential to fulfil the basic human needs. Food production, industry, and achieving economic growth are impossible without both. Moreover, energy and water are closely connected and dependent on one another. Water is required in most energy production processes, and energy is essential to make water resources accessible to people for consumption and irrigation. We invite you to read the articles under this topic and explore more about these two valuable resources [Image: Earth.com].