Alva Review-Courier -

MISSOULA, Mont. (AP) — It's not often that a business comes up with an idea that's good for the environment and saves money at the same time. But that's what Clearas Water Recovery, a Missoula tech company, believes it has done.

Formed eight years ago, the company has developed a patented process to use algae to remove nitrogen and phosphorous from public wastewater treatment plants, keeping waterways from being inundated with the compounds that starve fish and plant life of oxygen. In turn, the algae can be sold to other companies for fertilizer, biofuels and other uses.

Think of it as high t...