“Every Christian effort to contribute to culture – to participate in culture – should begin by understanding that Jesus is already present and working in every human culture. It’s realizing Jesus is already committed to the redemption of every human being in every cultural setting.
“And so the question for us is how can I join what He’s doing? What is He doing and how can I be part of it?”
Christianity Today produced materials a couple years ago titled Intersect Culture. All I’ve seen is the website and this 5 minute intro video: Counter culture for the common good which I think describes well what being the church in today’s culture looks like. The subtitles provide an excellent general framework for a change process : Begin – Dwell – Unite – Reconcile – Invest – Abide