The survey suggested 39% of businesses in the sector had reviewed, or intended to review, their crisis response plans while 35% would re-evaluate their holiday policies.

BBC: London 2012 firms 'face staffing challenge'

The Chair seeks to develop debates, policies and toolkits to evaluate the economic, ethical and social impacts of cultural heritage, strengthen its protection in crisis and conflict situations and prevent its use to exacerbate differences and tensions.

UNESCO: Chairs and UNITWIN Networks

But some in Mr. Obama's party want to evaluate the U.S. nuclear industry's safety practices and record in light of the crisis in Japan.

WSJ: Obama Administration Stands Behind Nuclear Power