Of all the water on earth, only 2.5% is fresh, and less than 0.007% is readily available to people through rivers, lakes, and streams.
As worldwide populations surge, temperatures rise, climates changes, and diseases spread, clean water will become ever more essential (and ever more rate).
In 2000, United Nations Secretary-General Kofi Annan warned that national rivalries over water could harbour “the seeds of violent conflict.”
Are Water Wars coming? This infographic, below, from the International Networks Archive puts it all in perspective.