Habitat III is the United Nations Conference on Housing and Sustainable Urban Development which takes place biennially - it took place in Ecuador , from 17 – 20 October 2016. Here are some useful websites.
The Official Habitat III website has the agenda, resolutions and news. There were three preparatory meetings the web sites of which contain documents.
Issue papers for Habitat III
Get started withis these introductory guides to understanding Habitat III
The Conversation blog
Some comment can be found on.
World Bank blogs
Council of the European Union.
Controversy - for opposition see this useful Guardian article
ResistenciaHábitat III, an “opposition” of more than 40 community groups from Quito and around Ecuador highlighting the local issues they say are being ignored by the global convention on their doorstep