FILE - Health officials are warning visitors to keep themselves, their pets and other animals out of Utah Lake after detecting a potentially toxic blue-green algal blooms across the lake, as seen in this June12 file photo. Researchers and officials across the country say increasingly frequent toxic algae blooms are another bi-product of global warming. They point to looming questions about their effects on human health.(Rick Egan/The Salt Lake Tribune via AP, File)
Brian Maffly has worked for The Tribune off and on since 1994. Maffly roams Utah, covering public land and environment.