Harry, God has been telling us to repent since He walked the earth in the form of a man, Jesus Christ.
The Republicans don't have a belief system, people do. Neither Democrat nor Republican (nor any other party) has a spiritual stance in their party platforms.
I'm sorry you've taken the liberal stance while trying to twist scripture to fit it. Instead, read scripture and try to understand what its message is not infuse your understanding into it.
And your saying that increasing temp.s are not possible is so naive. Do a little research about volcanos and shifting jet streams thoughout time (to name two) and see what our planet has done on its own.