Mexico copper mine spill pollutes water supplies 40 km from US border

[caption id="attachment_794980" align="aligncenter" width="600"] Spill (aerial taken Sunday). Credit: Twitter | @Noti_SONORA[/caption] Close to 40,000 cubic meters of wastewater from a copper mine in northern Mexico have spilled into rivers, forcing authorities to restrict water supply to urban areas, including Sonora...