Outdoor Air Temperature Reductions during Heat Waves and Typical Summer Conditions (image) DOE/Lawrence Berkeley National Laboratory Share Print E-Mail Caption The greater urban area of Guangzhou is outlined in the center of each figure. A midday urban heat island effect is clearly visible. The results of increased roof albedos are shown in the bottom row. Credit Berkeley Lab Usage Restrictions None Share Print E-Mail 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.