landfilling was presented and the most effective methods of landfill isolation by liners were discussed. The compacted clay liners …

Nigeria and Singapore are two countries that bear some historical similarities as well as differences. Singapore has … analyses if, and what lessons can be drawn from Singapore to inform and improve Nigeria's urban planning and management … from Singapore's urban planning to positively influence sustainable urban planning in Nigeria. The contextual similarities …

Singapore’s pension system is based on two major premises. First, it is possible to finance retirement expenditure … fundamental rethinking of these premises is needed to enhance sustainability and fairness of Singapore’s pension system. This will … constraints in reforming Singapore’s pension system towards fairness and sustainability are not fiscal, economic, institutional or …