Hidden Freshwater Beneath Great Salt Lake Could Help Douse Dust

An airborne electromagnetic survey by University of Utah researchers found a deep freshwater reservoir beneath the shrinking Great Salt Lake, extending 3–4 kilometers (10,000–13,000 feet) below the saline lake and possibly reaching toward its interior. The discovery could help mitigate dust pollution by wetting hotspots, though scientists aim to map the lake’s full footprint to quantify the freshwater resource and its ecological implications.