Some do because they believe in being good stewards of the earth God gave them. Others really don't care because they are hardcore believers in Armogeddon and thus are just waiting for that to happen or them to die so they can see Jesus. To them the planet and environment are temporary anyway and don't matter.

That is most certainly how it appears.

Honestly I don't know but I thought that was what a steward did... tend to... be responsible for... no?

They believe we are in the end of times as predicted by the bible. If they save the earth, it makes the prediction fake news!!

Because in the end they are going to heaven? (Or hell).... Dunno.... Ha ha ha since emojis are still printed as question mark