One bloom of toxic blue-green algae is a concern. Two is a problem.
A whole series approaches the realm of crisis, and that's where we are.
Researchers at Oregon State University are taking note of the many--and increasing--incidents of toxic algae blooms, and the challenge they represent for managers of recreational and drinking water.
Not to mention the challenge for all of us who use water.
Tim Otten is one of the OSU researchers and our guest.