The UK's Green Investment Bank - not yet a done deal

A week ago, the UK government announced the pre-election budget plans for 2010, which included the idea of a Green Investment Bank (GIB). But despite these positive intentions and the backing of private investors, it is far from a done deal; even if it does get off the ground it would probably not become a reality for a year or two, writes Francinia Protti-Alvarez.