evaluate this statement: "The international law instruments promoting environmentally sustainable mining are effective in the design of different African countries' laws dealing with mining and the environment". In evaluating the statement, use internationally acknowledged environmental standards guiding the typical environmental protection and safeguards needed to ensure sustainable mining. Refer also to the environmental hazards typically envisaged in legislative measures to protect the environment in the mining context. Further, compare and evaluate how legislation in countries under discussion purports to regulate environmental impact. Pay specific attention to the relationship between governmental departments dealing with mining and the environment.