THIS ISLAND’S “WATER MICROGRID” IS SAVING ITS AQUIFER FROM TOURISTS

Bluewater is making Baltic Sea water drinkable for visitors to the tiny Swedish island of Sandhamn–and helping other water-strapped communities thrive. Though the island is home to only around 90 full-time residents, 600,000 vacationers flock to the tiny outpost, which some call the “Swedish Hamptons,” each year. And that influx puts an unbearable strain on the island’s water systems.