Barbara Stocking, Oxfam's chief executive, said a "global new deal" was needed to reverse decades of increasing inequality.
We can no longer pretend that the creation of wealth for a few will inevitably benefit the many - too often the reverse is true.
Concentration of resources in the hands of the top 1% depresses economic activity and makes life harder for everyone else - particularly those at the bottom of the economic ladder.
In a world where even basic resources such as land and water are increasingly scarce, we cannot afford to concentrate assets in the hands of a few and leave the many to struggle over what's left.
More top news
The film wisely is not a straight remake but is based on P. L. Travers' further books in the Mary Poppins series.
The president's former lawyer had pleaded guilty to charges including breaking campaign finance laws, lying to Congress, and tax fraud.
The 30-year-old actor is appealing against a ruling preventing him from changing accounting dates to shield earnings from a higher tax rate.