Earth at a Tipping Point (IMAGE) University of California - Berkeley Caption The Earth may be approaching a tipping point due to climate change and increasing population. Credit Cheng (Lily) Li Usage Restrictions Usage is free for non-commercial purposes, as long as: 1) Credit is given to 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.