The Environmental Protection Agency released action plans for six companies in Arizona to lower haze. The rules force smelters, concrete kilns and power plants to clean up the air at nearby National Parks by reducing emissions of harmful chemicals.
After enduring six years of government permitting and winning 14 lawsuits and appeals, a $1 billion desalination plant is under construction in Carlsbad, Calif. The plant is expected to open next year.
An event on Arizona State University’s Tempe campus, “Migrants or Refugees? The crisis in Central America and the response in the United States,” considered legal questions and U.S. relations with certain Central American countries.