Kate: I'm sure it's a typo. It means cultural understanding of risk. For ex.:
Vulnerability, “innocent” disasters and the imperative of cultural understanding
Author(s): Terry Cannon
Journal: Disaster Prevention and Management
Year: 2008 Volume: 17 Issue: 3 Page: 350 - 357
ISSN: 0965-3562
DOI: 10.1108/09653560810887275
Publisher: Emerald Group Publishing Limited
Acknowledgements: This paper has drawn on contributions made in 2006 to a discussion on the internet e-list RADIX (Vol. 32 No. 3): available at:
www.radixonline.org/