How to Change the Spiritual Climate Over Your Home, Neighborhood and City. As a result of the growing worldwide prayer movement, powerful changes have taken place in the Church and in scattered cities—transformations beyond anything imaginable only a few years ago. In Prayer Evangelism, Ed Silvoso shares his heart and his passion for reaching cities the way the Early Church did it: the whole Church modeling the whole gospel to the whole city through prayer and prayerful evangelism.