Mexico City sinking at “unstoppable rate” of up to 20 inches a year, study finds

(Natural News) A recent study found that Mexico City is sinking at a rate of up to 20 inches per year. Researchers explained that this unstoppable plunge occurs because the ground on which the city rests is rapidly compacting after being drained of water by decades of groundwater extraction. The Metropolitan Area of the Valley of Mexico is built on what was once…