More than 28,000 participants are set to gather in Baku for the UN's World Urban Forum as UN-Habitat warns that 3 billion people lack adequate housing and slum populations could triple by 2050.
More than 28,000 participants are set to gather in Baku for the UN's World Urban Forum as UN-Habitat warns that 3 billion people lack adequate housing and slum populations could triple by 2050.