World mayors’ summit to tackle climate change

Gathering in Johannesburg aims to reduce greenhouse gas emissions, with half world’s population now living in cities.

Mayors from more than 60 cities are gathering in Johannesburg, South Africa, to discuss climate change.
 
The delegates consider that reducing greenhouse gas emissions is crucial since more than half of the world’s population now lives in cities. 
 
Al Jazeera’s Tania Page reports from Johannesburg.

Source: Al Jazeera