
National Cave And Karst Research Institute / via AP
The sinkhole, which could swallow several businesses, was formed by decades of oil companies pumping fresh water into a salt layer, then extracting the brine water.
The politics of progress; cleantech, the economy, antiwar

National Cave And Karst Research Institute / via AP
The sinkhole, which could swallow several businesses, was formed by decades of oil companies pumping fresh water into a salt layer, then extracting the brine water.