Many of us now see the connections between severe weather and new disease patterns. More destructive and more frequent floods, fires, droughts, hurricanes and blizzards can no longer be ignored. Also recognized, changing weather brings new patterns of insects and diseases. Mosquitoes moving north, ticks and Lyme disease spreading west, polio-like illnesses, ancient bacteria in defrosting tundra and everywhere the health impacts of poorly stored or unethically distributed chemicals and toxins.