PITTSBURGH-Experts in building green point to the fact that sustainability exists on many levels. But it goes far beyond switching out light bulbs.

PITTSBURGH-Green isn't just for tree-huggers, and some major for-profit real estate companies are using ULI's Developing Green conference to make the business case.

PITTSBURGH-Green isn't just for tree-huggers, and some major for-profit real estate companies are using ULI's Developing Green conference to make the business case.

'There's still favorable pricing and valuation in the office sector.'

'At some point all of these portfolios will get packaged and go public.'

'At some point all of these portfolios will get packaged and go public.'

'Frankly, I think we could do better. We can always sharpen our message.'

'The need for size and the economies of scale is not going to go away.'