One of the three main focus areas is early warning. For this reason it is important to build multi-hazard systems whose value can be demonstrated more regularly. Early warning systems for geophysical and hydrometeorological hazards, for example, have many components that can be shared - both for technology and human resources (Figure III-4). Integration can not only reduce costs but improve performance. As of 2014, the total annual cost to operate and maintain the IOTWS was approximately $90 million.39 To make the IOTWS more sustainable the members are taking a multi-hazard approach and have recommended that governments enshrine their financial commitment in legal frameworks and long-term policies. A.R. Subbiah, Lolita Bildan and Ramraj Narasimhan, 2008. "