As urbanization grows, cities unveil sustainable development solutions on World Day.

KARACHI -- Over half of the world's population now live in cities, with numbers expected to double by 2050, but while urbanization poses serious challenges, cities can also be powerhouses for sustainable development;something the UN is spotlighting onWorld Cities Day, marked 31 October. The UN Educational, Scientific and Cultural Organisation (UNESCO) will host a celebration at its Paris Headquarters on Thursday,

convening representativesfrom all corners of the world for discussions on how cities can combat the climate crisis, create more inclusive urban spaces, and contribute to technical innovation. Cities provide a wealth of opportunities, jobs included, and generate over 80 per cent of gross national product across the globe, according to UN estimates. Urban areas also account for between 60 and 80 per...