Light Pollution

Natural Bridges Nat. MonumentLight PollutionPhotographer: Jim Richardson

Chicago

Bountiful, Utah

Burkina Faso, Africa

Bonneville Salt Flats, Utah

Copper Smelter, Utah

The Luxor, Las Vegas

Central Park, New York

Los Angeles 1908

Los Angeles 2008

Mt. Wilson Observatory

St. Louis Arch

Night Skiing, PortlandNight Skiing, Portland

Detroit Highway Lighting

Arhes Nat. Park, Moab, Utah

Milky Way, Arizona

Chicago

Tornonto Decorative Lighting

Liberal, Kansa

Toronto Skyline

Toronto CN Tower

Toronto Downtwon

Toronto

Toronto

Arizona

Arizona Sky Village

Arizona Sky Village

Powerpoints