A 40 year sequence of Landsat images
showing the dry Texas panhandle near the
town of Dalhart. thumbnail: http://svs.gsfc.nasa.gov/vis/a010000/a010900/a010967/Dalhart_TX_timelapse_20120421_gal.png

Influencing Factors: Satellites Help Decipher the Fate of West Antartica
An international team of researchers has combined satellite imagery and climate and ocean records to obtain the most detailed understanding yet of how the West Antarctic Ice Sheet – which contains enough ice to raise global sea level by 3.3 metres – is responding to climate change.