Let's take a closer look at the global water issue this World Water Day. Nothing is more important to live on Earth than water. Despite the fact that clean water is a human right, more than 2 billion people around the world do not have access to it. Learn more about WATER; Its sources, uses and importance to the economy, society and nature from the lecture of Engr. Wilfredo Billones, Manila Bay Focal Person, Water Quality Management Section EMBR4A.