Christian Science Monitor: Las Vegas this week became the home of the largest solar installation in the nation, with sun-harnessing panels stretching across 28 acres of rooftop space covering the sprawling Mandalay Bay Events Center.
The electricity produced by the 26,000 panels, which began to be installed in 2014, would cover the average annual energy usage of 1,340 US homes, according to MGM Resorts International, which operates the convention center. For the energy-intensive Mandalay Bay Resort and Casino complex, the...