大象传媒

Today we have an interview with the man in charge of one of the world's most successful businesses.

The Brazilian national oil company has grown very rapidly. It is now the third biggest oil company on earth thanks, in large part, to the huge reserves recently discovered over 200 kilometres off the coast of Brazil.

The only problem is, these reserves are up to seven kilometres below the surface and lie under a layer of salt around two kilometres thick.

So the big questions are whether the reserves are really as big as is claimed and whether the company will actually be able to get at them.

Justin Rowlatt interviews Jose Sergio Gabrielli de Azevedo the chief executive of Petrobras.

A big issue in the oil industry at the moment is image, at least according to the head of the biggest oil company you have probably never heard of.

Justin Rowlatt asks Andrew Gould the chief executive of the oil services company Schlumberger how the industry can clean up its act.

One the big reputational issues facing the world's oil companies - indeed, facing all fossil fuel businesses - is climate change.

The 大象传媒's Berlin correspondent Stephen Evans has been discovering how the climate change debate is itself changing.

He speaks to to the Nobel Prize winning economist Eric Maskin of Princeton University and the head of Climate Change policy at the re-insurance company, Munich Re.

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