AllGov: Add another unforeseen problem to the list of consequences of global warmingthe spread of diseases. The bacteria that cause cholera, rarely seen in the United States, love warm weather. Usually winter weather halts the spread of the disease, but with longer, warmer summers and poor sanitation brought on by extreme weather events, its possible thousands more every year will contract cholera, according to Marlene Cimons of ClimateProgress. I would put cholera highest on my list to worry about...