A large and fast-melting glacier in Greenland is growing again, according to a new NASA study. The Jakobshavn (YA-cob-shawv-en) glacier on Greenland’s west coast had reportedly been retreating by around 1.8 miles and thinning by nearly 130 feet annually in 2012. May 30, 2012, photo shows an iceberg in or just outside the Ilulissat fjord that likely calved from the Jakobshavn glacier in west Greenland. (Ian Joughin/Associated Press) According to a study published in Monday’s peer-reviewed Nature Geoscience , however, the glacier began growing at about the same rate over the past two years . That said, the authors of the study swear it’s temporary. “At first we didn’t believe it,” said lead author Ala Khazendar who works at NASA’s Jet Propulsion Laboratory (JPL). “We had pretty much assumed that Jakobshavn would just keep going on as it had over the last 20 years.” Jakobshavn glacier (photo: Google Earth) […]