Sentences with phrase «before industrial wastes»

But that was before industrial wastes made the water too dirty for swimming.

Not exact matches

Currently, BPA - contaminated water such as industrial waste or landfill runoff may or may not be treated before it's released into the environment or to wastewater treatment plants.

We've covered examples and low - tech tips on how to do this before, and now Spanish industrial designer Fabio Molinas takes this low - tech approach further by combining the waste heat of a conventional fridge with time - honoured tradition of using of clay to cool down perishables.

This included fracking wastewater that state officials had allowed to be dumped at local sewer plants — facilities incapable of removing the complex mix of chemicals, corrosive salts, and radioactive materials from that kind of industrial waste before they piped the «treated» water back into Pennsylvania's rivers.

The question is how far will the levels of CO2, CH4, N - oxide, CFC and HFC, global land - sea temperatures, melting of ice sheets and glaciers, and sea levels need to rise before the critics realize that the delicate balance of the Earth's atmosphere — the thin lung - like membrane on which advanced life depends — must not be abused as an open sewer for industrial waste products.