Green Heart Louisville Project (IMAGE) University of Louisville Caption Before and after image of area where trees were planted along Watterson Expressway/Interstate 264 in Louisville, KY for the Green Heart Louisville Project. Credit Mike Wilkinson for The Nature Conservancy 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.