A road map to funding climate change solutions?

Developing nations have used an international summit in Paris to denounce the global financial system and demand radical reform. Rob Young hears what the problems are -- and ask if change is likely. As China, the world’s second biggest economy, experiences its hottest summer for 60 years, we hear what it’s like to live and work, especially outside, in such extreme temperatures. In a few weeks time Francis Bacon's masterpiece "Three Studies for a Portrait of George Dyer" is due to be offered as an IPO where investors will be able to buy shares for as little as $100. We look at why people would invest in this way and discuss whether buying shares in a painting could be a way to democratise owning art.