Q: Are MPAs a worldwide trend, and is the United States a leader in this trend?
A: You be the judge. Here is a sample of websites from different countries who have establishing or are establishing MPAs.
Northern Mariana Islands
United States of America
High Seas MPA proposal
Eastern Tropical Pacific Seascape
WWF's North-East Atlantic Programme
Established in 1999 in the OSPAR Maritime Area, stretching from Portugal to Finland .
IUCN WCPA-Marine / WWF MPA Management Effectiveness Initiative
Joint effort by the IUCN WCPA and WWF to evaluate MPA effectiveness through the review of 21 pilot project sites.
International Conventions that deal with MPAs
Excellent overview of international conventions
and accords as they relate to MPAs http://www.iucn.org/themes/wcpa/biome/marine/news.htm#cop7
The World Conservation Union (IUCN) WCPA
IUCN World Parks Congress
Convention on Biological Diversity