What it means to be Green: exploring publishers’ changing approaches to Green open access

The number of publishers allowing some form of self-archiving has increased noticeably over the last decade or so. However, new research by Elizabeth Gadd and Denise Troll Covey shows that this increase is outstripped by the proliferation of restrictions that accompany self-archiving policies. In an environment where publishers may in fact be discouraging preferred models of open access, it’s time to redefine what it means to be Green.