new paper published in Environmental Science & Technology Letters warns of an emerging global threat posed by salt contamination of water supplies in tidal rivers worldwide. This global perspective paper, co-authored by Weitzman School of Design associate professor Allison Lassiter and an international team of researchers, highlights how a combination of climate change impacts—including prolonged drought and rapid sea-level rise—along with localized human activities, are intensifying the increase in salt in vital freshwater sources. Read more within Penn Today.