Matthew, who has worked closely with IISD and the International Union for the Conservation of Nature, researches international relations in the developing world. He has published widely on trans-national security threats, environmental security and sustainability issues. His work seeks to understand and respond to security threats – global environmental change, terrorism, infectious disease and landmines, for example – through education, conservation and the alleviation of poverty. He has worked throughout South Asia and in other parts of the developing world, including Pakistan , Cambodia and South Africa .
He has also collaborated with the U.S. Departments of Defense and State, as well as with the United Nations, the Organisation for Economic Co-operation and Development (OECD) and NATO.
Matthew, who began teaching at UCI in 1998, established the Global Environmental Change and Human Security Research project office at the university in 1999 (www.gechs.uci.edu). GECHS-UCI, part of an international research network, has been showcased by the International Human Dimensions of Global Change project, the principal research entity in this field, as a model research office. In 2003, GECHS-UCI was incorporated into the Center for Unconventional Security Affairs.
CUSA addresses the security challenges of the 21st century through innovative research and education programs that integrate experts from the public and private sectors. The center conducts research, and provides educational and public services in five areas, one of which is information technology and security. Because new opportunities produced by advanced technology also bring new vulnerabilities, CUSA researches the ways that information technology creates new security challenges and offers new possibilities to address security threats.
Matthew is also a faculty associate of the Global Peace and Conflict Studies Center and the Center for the Study of Democracy.