Land Mammals Diagram (image) University College London Share Print E-Mail Caption In their new book, The Human Planet, the authors have now gathered new evidence which reveals the basic rules governing human societies from the earliest hunter-gatherers to those of the present day. They warn that this evidence points to today's globally interconnected mega-civilisation moving in one of two directions; one of continued rapid global growth and an eventual catastrophic collapse, or the emergence of a new mode of living that replaces the latest type of society, consumer capitalism. Credit UCL Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.