I am a fan of National Geographic. Just about every issue has some birding in it. In the May 2011 issue:
A clear danger......... This spring Chicago's Willis Tower, New York's Rockefeller Center, and dozens of other buildings in some 15 U.S. cities and Toronto will scale back their lights overnight for the benefit of migrating birds. The reason? Avian collisions with windows are costing millions of lives. Each year in Canada and the U.S. more than 100 million birds suffer run-ins with glass. The fliers -- can't distinguish reflections from reality and get disoriented at night by lights, especially during spring and fall migrations. The danger isn't limited to urban areas or tall buildings; homes actually account for the bulk of bird strikes. Fortunately, prevention measures like reduced lighting and window patterns are on the rise. If they succeed, more birds might successfully reach their destinations.
We are disinfecting the planet.