Blue and Green: Over the next decade Citigroup has committed to lending, investing and facilitating a total of $100 billion (65bn) to finance activities that will reduce the impacts of climate change and create environmental solutions. The latest pledge follows Citis previous $50 billion (32bn) goal that was announced in 2007, the group met this target three years early in 2013. The new initiative will build on Citis work in renewable energy and energy efficiency to identify opportunities to reduce greenhouse...