… is going on? I think that the glass is half full and hope is one of our most important scarce resources. We need that hope to spur us … that I have seen on reducing poverty and tackling climate change. The World Economic Forum (WEF) at Davos started as a meeting of economic … , 'global investment in clean energy was US$310 billion last year, up 16 per cent from a revised US$268.1 billion in 2013, and more than five …