Whatever you call it - lavatory, privy, latrine, crapper, loo or dunny - most of us take the humble toilet for granted. But in many parts of the world the absence of sanitary waste disposal is not ...

San Francisco has a poop problem – in the city’s Tenderloin district alone, there were almost 10,000 recorded “incidents of human waste” last year, according to the Bay Citizen. So this fall, the ...