An activist in Ghana is swimming the nearly 500-kilometer-long Volta River, including Lake Volta, in the south of the country to bring attention to worsening water pollution. Yvette Tetteh, who will swim several hours per day for over a month, is also collecting water samples along the way to test for pollution. The activist is being accompanied by researchers from the Or Foundation, which is supporting her swim and advocates against textile waste Senanu Tord reports from Lake Volta, Ghana.