Karenna Gore, director of the Center for Earth Ethics at Union Theological Seminary, urged the Catholic Church and other “faith communities” to become climate change activists and preach about taking action on the issue. “I actually think that [preaching is] one of the main things that could actually break through on this issue. One of the ways that we could break through on this issue is if people really start to think deeply on another level about it; on a moral and spiritual level and are moved from a different kind of place to take action, to raise it with...