On May 9th, the worlds of Geoscience and Google+ will meet as we present our inaugural NPG journal club. The focus of discussion: How has Earth’s climate changed in the past 2,000 years? This big climate question was recently brought to the forefront with the publication of a progress article in Nature Geoscience. In this paper, 78 members of the PAGES 2k Consortium reanalysed more than 400 records of continental temperature.  Read more