Pumping an aquifer to the last drop squeezes out more than water. A new study finds it can also unlock dangerous arsenic from buried clays — and reveals how sinking land can provide an early warning and measure of contamination.
Pumping an aquifer to the last drop squeezes out more than water. A new study finds it can also unlock dangerous arsenic from buried clays — and reveals how sinking land can provide an early warning and measure of contamination.