Green Chemistry (IMAGE) Columbia Climate School Caption The 63,000-square-foot structure is designed for high energy efficiency and harmony with its landscape along the Hudson River. Credit Lamont-Doherty Earth Observatory Usage Restrictions None 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.