When carbonate rocks weather, karst landscapes are formed. The groundwater reserves in these layers of earth currently supply 10 to 20 percent of the world population with drinking water. So far, ...

China's first subway line passing through a karst spring area began operation on Saturday in Jinan, marking an engineering breakthrough that balances urban transit demands with the protection of ...

First it was a sinkhole opening under a Corvette museum with a taste for rare cars. Now, it’s a sinkhole opening under an active road in Russia, gaping open to gobble commuters. What gives with the ...