green roofs in Portland, Oregon (IMAGE)

University of Illinois College of Agricultural, Consumer and Environmental Sciences

green roofs in Portland, Oregon

Caption

Green rooftops in Portland, Oregon

Credit

Noelwah Netusil.

Usage Restrictions

None

License

Original 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.