Visitors looks at a sort fluid machine, which enables the separation of light and heavy metals, on display at the IFAT Munich, a trade fair dedicated to environmental technologies across water, wastewater, waste and resource management, in Munich, southern Germany, on May 4, 2026. According to organisers, more than 3,000 exhibitors from more than 60 countries are presenting their strategies and innovations during the fair running until May 7, 2026. (Photo by Michaela STACHE / AFP via Getty Images)