US southwest drought threatens access to clean drinking water | Video
Tens of millions of people in the United States do not have access to safe drinking water. And for the people of Navajo Nation, a megadrought in the country's southwest region could further threaten to marginalise the most vulnerable. Toni Waterman reports.
Tens of millions of people in the United States do not have access to safe drinking water. And for the people of Navajo Nation, a megadrought in the country's southwest region could further threaten to marginalise the most vulnerable. Toni Waterman reports.