We're on the Brink of Mass Extinction (IMAGE) McGill University Caption Both ominous and hopeful, a new report paints a picture of the value of biodiversity, the threats it faces and the window of opportunity we have to save species before it's too late. Credit Susan Barrott, UMinn Usage Restrictions free for use but please credit License Licensed content 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.