Catastrophic Wilderness Loss (VIDEO) Cell Press This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Globally important wilderness areas are strongholds for biodiversity, for regulating local climates, and for supporting the world's most politically and economically marginalized communities. They are disappearing rapidly, with an area twice the size of Alaska lost in two decades. Only 23 percent of the Earth's land surface contains now contains wilderness and some biomes have almost none left. Credit James Allan and Kendall Jones Usage Restrictions Credit Required. 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.