From AvioNews- World Aeronautical Press Agency
Filed under ‘Parliamentary Acts’
Addresses the issue of persistent jet exhaust trails that spread to cause ‘aerial obscuration’, which have been noticed in the USA, Canada and also Europe and which are suspected to contain barium, aluminum, and iron particulate matter. Calls chemtrails by name and requests disclosure on what these trails are and what adverse effects they may have on the environment and human health.
http://www.avionews.com/index.php?corpo=see_news_home.php&news_id=1077601&pagina_chiamante=index.php
This is actually from 2007, and the question was answered [or not] by a Mr Dimas here;
http://www.europarl.europa.eu/sides/getAllAnswers.do?reference=E-2007-2455&language=ES