The Fritz Haber Institute of the Max Planck Society together with the Max Planck Institute for the History of Science organised an international symposium on 100 YEARS OF CHEMICAL WARFARE: Research, Deployment, Consequences last year.
The symposium included a lecture on attempts to build a world free of chemical and other weapons. The videos are available at http://mediathek.mpiwg-berlin.mpg.de/event/100-years-chemical-warfare