tag:bbc.co.uk,2008:cps:playlist:mediaAsset:17775158 Cryosat eyes ice thickness change The European Space Agency’s Cryosat spacecraft is now properly calibrated and monitoring changes in the Arctic sea ice thickness. 2012-04-19T13:52:24Z en News 17775158 99110 blocked tag:bbc.co.uk,2008:cps:advert:mediaAsset:17775158 tag:bbc.co.uk,2008:cps:ident:news:video:640x360 tag:bbc.co.uk,2008:cps:mediaAsset:17775158 tag:bbc.co.uk,2008:cps:playlist:mediaAsset:17775160 Satellite maps Greenland’s height The European Space Agency’s Cryosat spacecraft maps the changing height across the Greenland Ice Sheet. tag:bbc.co.uk,2008:cps:playlist:mediaAsset:8257824 A look around the 'ice explorer' Science correspondent Jonathan Amos takes a close look at the new European Space Agency satellite Cryosat-2.