Not an Either/Or Choice - Prison Fellowship:
"Why do radical environmentalists seem so indifferent to the poor? It is a matter of worldview. If you deify nature instead of God, if you believe humans are just another species of animal with no greater moral status than a kangaroo rat—well, you don’t have to worry much about the poor or marginalized. But if you believe God created humans in His image, and gave each one of us a unique and privileged place within His creation, then your concern for the poor far outweighs concerns for nature—especially speculative concerns like global warming."
Follow the linked title for another insightful commentary by Chuck Colson.