John James AudubonJan. 27, 1851: John James Audubon, (portrait at right) whose paintings and illustrations revealed the diversity of American wildlife, dies in New York.

Jan. 27, 1922: The "Knickerbocker Storm" descends upon Washington, D.C. By the next day, more than 2 feet of snow blankets the nation’s capital. The weight of the snow collapses the roof of the Knickerbocker Theatre, killing 98 during a film screening.

Jan. 27, 1998: U.S. President Bill Clinton tells the nation that failure to act on climate change "will put our children and grandchildren at risk."

Photo: cliff1066TM/Flickr

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