The Rockefeller family, which made its fortune from oil, is to sell its investments in fossil fuels and put money into clean energy.
View the latest videos from BBC Worldwide
We're sorry, but there are currently no videos that match your search.
Click here to clear the search and go back to the top videos list.
BBC.com offers up to the minute international news, business, travel, sports, weather, lifestyle and technology content and in depth analysis. Visit BBC.com for the latest world news from the BBC’s global network of more than 2000 journalists.