Crisis in Mexico´s Megacity

Mexico’s vast capital — Ciudad de México, the largest city in the Americas — is under threat from a severe water crisis.

What makes this place unique? It is the world’s largest city at an elevation higher than 2000 meters. With 21.2 million residents it rivals New York City for the title of largest metropolis in the Americas, and it is one of the world’s oldest continuously populated urban areas. But what truly sets this megalopolis apart is also its biggest challenge. It is the largest city on Earth without direct access to a significant body of water, although that wasn’t always the case.
This is an examination of Mexico City and the water crisis that threatens its continued prosperity:

Source: The Daily Conversation