Why are Christians so eager to call people sinners EXCEPT when they sin against nature?

I've seen deniers and proponents on both sides of the fence religiously speaking when it comes to Christianity. Those supremely religious people who are proponents believe that we are ruining God's Earth while those who are against say we could not possible ruin the planet because only God can do that. Both of these ways of thinking are based on belief. Of course it matters exactly what type of Christian God you believe in. Is it one where God has a hand in our every day lives and readily watches over us or is it one where God had a hand in forming reality, which we are a part of, and letting us go on our merry way after giving us the moral and spiritual standards we should live by? One that thinks he has a hand in our every day lives may have a problem believing in AGW while the other type more than likely won't have very much trouble being a proponent of AGW. The bible is interpretted by each individual differently. some see it as a metaphor of what really occurred while others see it as an exact story.