When you gotta go, you gotta go–even at 30,000 feet. The alarming noise ensues when you press the “flush” button in an airplane toilet and the bowl’s contents are magically sucked away into oblivion.

Hikers, campers and outdoor enthusiasts come across waterless toilet solutions like outhouses (also known as pit toilets) and composting toilets at trailheads and campgrounds across America’s public ...

Air India has in recent months experienced recurrent disruptions of flights on its international routes due to the overflow of lavatories. The problem has attracted a lot of concern, with many raising ...