NPR News: Officials Identify Mysterious Bright Green Liquid That Spilled Onto Michigan Highway

Officials Identify Mysterious Bright Green Liquid That Spilled Onto Michigan Highway
Investigators say they believe the substance found on a freeway north of Detroit is groundwater mixed with a chemical called hexavalent chromium. The public safety risk is minimal, officials say.

Đọc tiếp trên NPR
December 23, 2019 at 11:58PM
Environment