For the first part of this century, water purification systems were centered on chemical clarification, granular media filtration, and chlorination. As the needs for clean
Wars over resources are not new. European colonialism was fuelled to a large extent over gaining control over resource-rich parts of the African, Asian and American continents. The 20th century featured many conflicts over control of oil fields. According to many experts, we now face a future where an increasing number of disputes are over the planet’s most essential resource – water.