They're wasting their time. "Fundamentalist" churches are growing by leaps and bounds, all over the world. Liberal churches, without exception, are demographically dying. Survival of the Fittest, bwahahahaha.
Good luck. The way they approach it is to affirm evolution as compatible with faith. That convinces nobody. If they want to reconcile science and faith without doing violence to eitherm, they'd do better to talk to Dr. Hugh Ross.