2NLC academia ancestral land archive Asia biodiversity Cambodia campus cities civil society climate change communal land community finance constitution cooperation customary ecosystems education EFN GIZ green spaces housing human rights indigenous rights informal settlements infrastructure journalism land land delivery land reform Laos liberation livelihoods murd namibia national land conference natural ecosystems nhag NMT open source opportunities partnership reform research restorative justice rural sdfn sdi services South Africa Southern Africa teachers tenure transformation upgrading urban urban development urbanisation urban land Windhoek