Nigeria Sudan savannah is similar but with shorter grasses and shorter trees. Sahel savannah consists of patches of grass and sand, found in the northeast. In the Sahel region, rain is less than per year and the Sahara Desert is encroaching. In the dry northeast corner of the country lies Lake Chad, which Nigeria shares with Niger, Chad and Cameroon. Nigeria's Delta region, home of the large oil industry, experiences serious oil spills and other environmental problems, which has caused conflict. Waste management including sewage treatment, the linked processes of deforestation and soil degradation, and climate change or global warming are
Niger–Nigeria relations Niger–Nigeria relations The Niger–Nigeria relations refers to the current and historical relationship between Niger and Nigeria. Relations are based on a long shared border and common cultural and historical interactions. The 1,500 kilometer (930 mi) long border between Niger to the north and Nigeria to the south cuts through one of the more densely populated areas of both nations. Culturally, the center and west of this border bisects the northern section of Hausaland: the home of the Hausa people. Prior to the turn of the 20th century there was no formal border here, but the current line is roughly the