Earlier this year, the Massachusetts Institute of Technology hosted the inaugural MIT Water Innovation Prize, inviting attendees from around the world to pitch their water-conservation device or ...

Recycling gray water is neat, but what if you didn’t–literally–end up flushing it down the toilet? What if, instead, your washing machine could clean and recycle up to 95% of its own water on-the-fly?

The answer seems to be not very often, at least that’s according to one Perth woman’s now-viral TikTok on how to keep your washing machine fresh. Carolina McCauley, who has more than 1.1 million ...