The World's Amy Bracken reports from Haiti on efforts to use composting toilets to address a host of public health and environmental problems. The story is the third part of this week's Toilet Tales series.
On hands and knees, he painstakingly sweeps every inch of the street with an old shoe brush. But he and his young son Asad aren't collecting trash. They're looking for gold dust that blows out of the jewellery shops around them.
While the ranks of the uninsured in the US have dropped sharply under Obamacare, around four million low-income Americans are still left out of the program in states that did not expand Medicaid. And while those states wrestle with the federal government, ordinary citizens say they're suffering.