As real estate developers and investors tinker with the real estate value equation amidst a storm of uncertainty, despair and opportunity, many property professionals are questioning sustainability’s place at the table. Sustainability, broadly defined, is an integral part of the real estate business and always has been — whether or not that is what it has been called. Sustainability’s definition has grown holistically to encompass a broad range of topics including intelligent design, energy efficiency, water conservation, urban regeneration as well as socio-political considerations.