#Land Rehabilitation #Urban Waste   Niger belongs to the Sahel region and about 80 % of its land is covered by the Sahara Desert. Near Niamey, the capital city of Niger, a Japanese researcher spread more than 2,000 tons of urban wastes including food wastes, papers, plastic bags, flip-flops and … 続きを読む [NIGER-JICA] Can urban wastes reduce land degradation in Niger? Unique challenge by a Japanese researcher [Part 1]