Are there still respected scientists who have good-faith disagreements on the role of man-made actions on the growth in greenhouse gas emissions and its role in climate change? YES
Do the largest percentage of respected scientists agree that man made actions are causing climate change: Yes
Are there always a few dissenters in any widely held scientific debate: Yes.
We generally base public policy on the most widely held view of any scientific issue. Our religious beliefs inform our policy decision but in a democracy, are not the basis for making policy. There will always be dissent and we never have 100 percent consensus.