As deadly bird collisions with buildings mount, cities look for solutions.

The article reports on the petition filed by bird and wildlife conservation organizations from different states to the U.S. Fish and Wildlife Service to establish a permitting process under the Migratory Bird Treaty Act requiring commercial buildings to protect birds from deadly window collisions. Bird-friendly alternatives to traditional glass include angled, ultraviolet patterned and opaque glasses. Also noted are the ordinances in California mandating bird-friendly construction designs.