But regardless of complexity, Hensler is convinced that the transparency EPDs deliver will transform the marketplace.

FORBES: Can Labeling Drive Products to Be Environmentally 'Nutritious'?

Right now, because there are so few EPDs in the marketplace, comparisons are impossible.

FORBES: Can Labeling Drive Products to Be Environmentally 'Nutritious'?

EPDs can even be used to help a company or industry clean up its supply chain.

FORBES: Can Labeling Drive Products to Be Environmentally 'Nutritious'?

EPDs show shoppers key facts like greenhouse gas emissions generated, water consumption, and pollution impact.

FORBES: Can Labeling Drive Products to Be Environmentally 'Nutritious'?

Defined under the International Organization for Standardization (ISO) 14025, EPDs provide quantified, third-party-verified environmental data for products.

FORBES: Can Labeling Drive Products to Be Environmentally 'Nutritious'?

Hensler said Interface is educating its sales force about how to explain EPDs, and she thinks clarity will ultimately prevail.

FORBES: Can Labeling Drive Products to Be Environmentally 'Nutritious'?

Launched in Europe in 2008, EPDs are now spreading, although European companies still make up the vast majority of voluntary participants.

FORBES: Can Labeling Drive Products to Be Environmentally 'Nutritious'?

While various industries are beginning to embrace EPDs, including food and cleaning products, the building industry has emerged as a leader.

FORBES: Can Labeling Drive Products to Be Environmentally 'Nutritious'?

But even if EPDs become ubiquitous, comparisons may remain difficult.

FORBES: Can Labeling Drive Products to Be Environmentally 'Nutritious'?

Now the U.S. Green Building Council has a pilot project to award credits under its LEED ( Leadership in Energy and Environmental Design) system for the use of materials that have EPDs.

FORBES: Can Labeling Drive Products to Be Environmentally 'Nutritious'?