Nearly one-third of the global population doesn’t have access to flush toilets and many areas suffer due to the inability to dispose of human waste. However, a new movement is having communities compost human waste in areas where water is scarce. The waste is covered in sawdust to deter odor and the high outdoor temperatures destroy the pathogens in human waste. For more about this water-free process, click here:: Composting loos should be the answer to the world’s toilet crisis