“LED has become considerably cheaper in the past 10 years,” said Allen Sayegh, an architect and an associate professor at the Harvard Graduate School of Design. “It’s exciting on one hand, that you can have all these buildings being lit up, but it’s also very problematic because it’s pollution. The Empire State Building and these iconic buildings do a good job, but when everybody else is doing it… it becomes almost this light-junk.”

Read more here.

The Empire State Building is lit in rainbow colors during the celebration of the annual Gay Pride Parade in New York June 28, 2015. REUTERS/Eduardo Munoz - RTX1I6OS

The Empire State Building is lit in rainbow colors during the celebration of the annual Gay Pride Parade in New York June 28, 2015. REUTERS/Eduardo Munoz – RTX1I6OS