Talk by David Etheridge – Evidence of atmospheric composition changes over recent centuries from Law Dome ice cores and firn air Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: November 5, 2010 @ 13:00 – 14:00 2010-11-05T13:00:00+01:00 2010-11-05T14:00:00+01:00