Houses covered in tarps after tornadoes in FloridaFeb. 22, 1843: British Parliament establishes the Select Committee on the Smoke Nuisance to address the growing problem of air pollution from coal burning.

Feb. 22, 1998:  The deadliest tornado outbreak in Florida history kills 42 in nine separate tornadoes near Kissimmee and Orlando, Florida. (at right).

Feb. 22, 2004: A British newspaper reports the leaked results of a Pentagon-commissioned paper that projects that climate change will have profound impacts on global security.

Photo: Matt May/ZUMA Press

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