GeoScience WorldGeoScience World (GSW) is a nonprofit corporation formed by a group of geoscientific organizations. The founding organizations include AAPG, AGI, GSA, GSL, MSA, SEPM, and SEG. The GSW Millennium Collection, an online service provided by GSW, includes peer-reviewed articles and other materials with linked reference lists from more than 30 high-impact journals in a broad range of geosciences areas.