"How should 'green' values in building construction products be measured – should firms look at the carbon miles traveled by product components, or total GHG emissions? How should green be defined — is it about energy efficient manufacturing processes, or eliminating toxicity? How do we avoid green washing?"

Check out answers from Kirsten Richie (Director of Sustainability, Gensler), Nadav Malin (President, BuildingGreen) and Gwen Davidow (Director, Corporate Programs, World Environment Center)...