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"We installed an advance filtration system and were assured it would take absolutely everything," he said.

In addition to ventilation and filtration to clean the air, you can use light.

Tracking the surge in firefighting costs and insured losses misses the decay of natural systems that provide water filtration, soil retention and carbon capture.

“As typical of newer technologies, the evidence for safety and effectiveness is less documented than for more established ones, such as filtration.”

Today, the process of cleaning water begins with the same steps employed by the ancient Egyptians, followed by extensive filtration to get rid of debris as well as most germs and chemicals.