One thing he said they heard from employees was, "Weren't we doing this already?" Or, "We are already doing this." They focused on creating awareness, that to some extent they may have been doing some of these things, but it was never measured or counted. There was a period of discovery with people using the handbook to do project evaluation.
As for the delivery, just because you have a policy and a handbook, it doesn't mean you're getting delivery. Parsons incentivized staff certification to build up their numbers, such as for LEED certification. They also conducted training on the sustainability handbook.
Carlson said three keys to implementation are:
How do you translate goals and objectives into reality
What does sustainability look like?