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
Geography of Chad same location. Similar temperature rises were also reported in Niger, which began to enter a famine situation. On 26 July the heat reached near-record levels over Chad and Niger. Area: <br>"total:" 1.284 million km² <br>"land:" 1,259,200 km² <br>"water:" 24,800 km² Area - comparative: <br>Canada: smaller than the Northwest Territories <br>US: slightly more than three times the size of California Land boundaries: <br>"total:" 6,406 km <br>"border countries:" Cameroon 1,116 km, Central African Republic 1,556 km, Libya 1,050 km, Niger 1,196 km, Nigeria 85 km, Sudan 1,403 km Coastline: 0 km (landlocked) Maritime claims: none (landlocked) Elevation extremes: <br>"lowest point:" Djourab Depression