Climate Central: It seems simple enough: Take the salt out of water so it's drinkable.
But it's far more complex than it appears at first glance. It's also increasingly crucial in a world where freshwater resources are progressively strained by population growth, development, droughts, climate change and more. That's why researchers and companies from the U.S. to Australia are fine-tuning a centuries-old concept that might be the future of quenching the world's thirst.
"When it comes to increasing water supplies,...