World Trade Organization WT/CTE/W/193 19 June 2001 (01-3056) Committee on Trade and Environment recent developments in multilateral environmental agreements (MEAs) Stockholm Convention on Persistent Organic Pollutants (POPs) Note by the Secretariat The Stockholm Convention on Persistent Organic Pollutants was adopted on 22 May 2001. It was opened for signature in Stockholm on 23 May 2001, and at the UN Headquarters from 24 May 2001. It will remain open for sign