Up to 2 million Americans don't have access to running water at home and many of those places are in the hottest, driest places in the country. As part of our climate series Reverse Course, Here & Now's Peter O'Dowd visits the Navajo Nation and rural El Paso County, Texas, to learn about a technology that's offering a solution. And, the Supreme Court ruled against affirmative action admissions practices at the University of North Carolina and Harvard University. Alison Byerly, President of Carleton College, joins us. Then, South Koreans all got one to two years younger after a new law went into effect this week. The government adopted international age-counting standards, even though traditional methods will have some cultural relevance. NPR's Anthony Kuhn tells us more.