This year, the theme for World Cities Day is 'Adapting Cities for Climate Resilience' to aware people of the effects of climate-related disasters, such as floods, droughts, sea-level rise, heatwaves, landslides and storms on cities.
Research firm We Are Social released a report titled 'Digital 2021: October Global Snapshot". As per the report, more than 65% of the world's population now uses a mobile phone.