A few conferences and seminars will take place in September, to assess the impact of volcanic ash on aviation|| and in particular on air traffic and will discuss lessons learned:

• September 7 in Belgrade: Seminar on Volcanic Ash Crisis 2010
• September 8-9 in Cologne, Germany: International Air Safety & Climate Change conference
• September 15-16, Keflavik Airport (Iceland): Conference on Eyjafjallajökull and Aviation