Water Algae Blooms

FILE - In this June 12, 2018, file photo, water experts are urging visitors to keep themselves, their pets and other animals out of parts of Utah Lake, after detecting a potentially toxic blue-green algal bloom in Provo Bay in Provo, Utah. 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)