OPINIONOPINION, Cities lead for a climate safe futureWWF and its partners are calling for a significant surge in financing green energy.
![Cities around the world have undertaken renewable energy projects to cut their carbon emissions [AP]](https://www.aljazeera.com/wp-content/uploads/2013/12/20131130133814939734_20.jpeg?resize=270%2C180&quality=80)
