A crusade to combat the proliferation of poop in Colorado’s backcountry entered a new frontier this week with the creation of a “Clean 14” initiative focusing on the state’s iconic 14,000-foot peaks.

Climbers ascending Mount Everest will be expected to collect their poop in doggy bags and carry their waste back to base camp, according to new regulations from local officials as they attempt to ...

New York lawmakers on Friday proposed a pile of measures to rid dog poop from the city's streets and parks after residents raised a stink over the issue.