South Cambridgeshire District Council said the stench came from the chemical-saturated soil when it was disturbed.

BBC: Work to decontaminate Hauxton site completed

All told, dozens of Midwestern rivers were well over their banks after rains that began Wednesday dumped up to 6 inches of new water on already saturated soil.

NPR: Floodwaters Rising After Storms Deluge Heartland

After heavy rainfall the soil became saturated, leading to more of the cliff falling away.

BBC: Landslip at St Mary's Church, Whitby

That means building futuristic structures that use wastewater and solar power to produce hydroponic (grown in a nutrient-rich water, without soil) and aeroponic (grown in water-saturated air) crops.

FORBES: Skyscraper Farms: A Name To Know In 2011