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For decades unfiltered sewage was allowed to flow into Lake Managua, causing serious pollution. Now a new sewage plant is filtering the water and dried sludge is being used instead of artificial fertlilizers. That saves money and is good for the climate.
For decades unfiltered sewage was allowed to flow into Lake Managua, causing serious pollution. Now a new sewage plant is filtering the water and dried sludge is being used instead of artificial fertlilizers. That saves money and is good for the climate.
