Your browser is unsupported

We recommend using the latest version of IE11, Edge, Chrome, Firefox or Safari.

Photo of Caldwell, Iris

Iris Caldwell

Program Manager – Sustainable Landscapes

Sustainable Landscapes


Office Phone:




Iris Caldwell joined the ERC in November 2014. She works primarily in the Bioenergy and Sustainable Landscapes research cluster at the ERC where she facilitates the Rights-of-Way as Habitat Working Group and other efforts to engage industries in pollinator habitat conservation. She also provides technical assistance in the development of greenhouse gas offset projects and protocols, evaluation of renewable fuel production technologies, and mobile combustion emissions modeling. Prior to joining the ERC, Iris worked for more than eight years in industry, both as a manufacturing facility environmental engineer and as an environmental consultant. She has a strong background in environmental regulatory compliance as well as greenhouse gas accounting, carbon offset verification, renewable fuel production under the U.S. Environmental Protection Agency’s Renewable Fuel Standard, and other environmental and sustainability reporting.

Iris holds a Bachelor of Science degree in Civil – Environmental Engineering from Iowa State University. She is a licensed professional engineer in the State of Illinois.