Caribous and Climate Change (IMAGE) Penn State Caption Caribou in West Greenland are struggling to locate nutritious food as a result of climate change. Credit Eric Post, Penn State Usage Restrictions The credit line must be published along with the image. 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.