Male <i>Sceloporus tristichus</i> (IMAGE) Arizona State University Caption Global climate change is expected to negatively impact lizards more than first thought. Researchers have discovered that embryonic lizards cannot tolerate even short periods of high temperatures. Credit Agustín Camacho Usage Restrictions Must be used in all instances, including every web placement, with the photographer's name. 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.