KETCHUM — The Sawtooth Botanical Garden will offer an evening geology lecture and an all-day field trip led by Dr. Paul Link, Idaho State University Department of Geo-sciences professor. An ISU ...

The harmful algae blooms occur in still water from rapid overgrowth of cyanobacteria, which are harmful to people, livestock and pets. Chlorophyll-a is a green pigment that is found in the ...