Starting in 1994, CCSA organized three international symposiums to discuss the issues involved in estimating the social and economic costs of substance abuse, and to seek a consensus on the most appropriate cost estimation model. Out of those meetings emerged a set of international cost estimation guidelines
that underwent a final revision in 2000 and were subsequently published by the World Health Organization
In November 2008, CCSA attended a roundtable meeting of non-governmental organizations and professionals from around the world at WHO headquarters in Geneva to discuss ways of contributing to reducing the harmful use of alcohol
. CCSA representatives introduced Canada’s National Alcohol Strategy as a way of mitigating negative consequences of alcohol use. Topics discussed and debated at the two-day meeting included advocacy by NGOs and professionals, best practice responses from health sectors, community action, drink-driving polices, harm reduction, and addressing illegal and informal alcohol production and distribution.