0
Fotografije dana
1
Chicago at night. In an average year the U.S. uses 120 terawatt-hours of energy, enough power to meet New York City’s total electricity needs for two years.
2
Lamps decorate a building in Washington, DC, sending the light skyward. (Jim Dougherty, International Dark Sky Association)
3
Shielded light directed downward improves visibility of U.S. Capitol at night. (Jim Dougherty, International Dark Sky Association)
4
A gas station with excessive, unshielded lights. (Pete Strasser, International Dark Sky Association)