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
Chad–India relations million in 2015-16. Imports from Chad were a mere $150,000 in 2011-12, grew sharply to $157.15 million the following fiscal, before declining by 73% and 52% in the following two fiscal years respectively. Bilateral figures do not reflect the full extent of Chad's imports from India, as the country procures several Indian goods from Dubai, Cameroon and Nigeria. In the 2015-16 financial year, India began importing crude oil from Chad resulting in a 411% increase in imports. Chad's exports to India grew from $62.77 million in 2010-11 to $320.87 million in 2015-16. Crude oil accounted for 97% of the country's