Fire Island National SeashoreSept. 11, 1902: Swept by hot, dry winds, the Yacolt Burn destroys 370 square miles of Washington state forests and kills 38 people.

Sept. 11, 1961: The World Wildlife Fund (WWF) opens its first office in Morges, Switzerland. WWF is now active in more than 100 countries with more than 5 million supporters.

Sept. 11, 1964: Less than an hour from New York City and surrounded by the growing suburbs of Long Island, the Fire Island National Seashore (at right) is created.

Sept. 11, 2001:  Al Qaeda terrorists hijack and pilot three planes into the Pentagon and twin towers of New York’s World Trade Center. Passengers of a fourth Washington-bound plane fight back, resulting in a crash in a Pennsylvania farm field. Roughly 3,000 die. Surviving victims and emergency responders in the destroyed buildings suffer respiratory and other problems for years to come.
Sept. 11, 2011:  Germany’s University of Bremen reports that Arctic Sea Ice reached its second-lowest level since recordkeeping began. Only the summer of 2007 was worse.

Photo: National Park Service

This feature is compiled by Peter Dykstra, an MNN contributor and publisher of Environmental Health News and The Daily Climate.