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Globally, an estimated 2.5 billion people lack access to improved sanitation.
In this research, three faecal sludge sanitizing methods—lactic acid fermentation, urea treatment and lime treatment—were studied fo
Mount Sinabung erupted in September 2013, causing the mass evacuation of more than 30,000 people.
This factsheet addresses current developments, challenges, gaps and solutions in the planning and implementation fo sustainable sani