A new multilateral finance fund that aims to cut carbon emissions and improve conditions in developing-world cities, has been launched. Implemented by the World Bank and the European Union's lending arm, the European Investment Bank, the City Climate Finance Gap Fund aims to unlock at least 4 billion euros ($4.66 billion) for low-carbon and climate-resilient projects. Cities already account for 70% of global CO2 emissions, but with 2.5 billion more people expected to move to them by 2050, and Africa alone expected to see a 700% increase in urban land cover by 2030, limiting the climate impact will be vital.…