By the time the mix lands in treatment plants, it can teem with pharmaceuticals, hormones, pathogens, bacteria, viruses, protozoa and parasitic worms, as well as heavy metals like lead, cadmium, arsenic or mercury. It often includes PCBs, PFAS, dioxins, BPAs and dozens of other harmful substances ranging from flame retardants to hospital waste. And then it goes right on to the fields that grow your food.

U.S. computer chip and processor giant Intel will acquire the Israeli smart car tech firm Mobileye in a deal valued at $15.3 billion.

Supplying such automotive giants as General Motors and Volkswagen AG, Mobileye is one of the key producers of the onboard vision systems that anchor current advanced driver assistance systems — as well as tomorrow’s autonomous vehicle technology. The acquisition will help position Intel as a major player in the development of smart and driverless car systems.