Does God care?
Is it part of his plan?
Does it matter to Him?
I don't know.
Do you?
Does He care? I like to think so - but I might be wrong.
Part of his plan? Does he have a plan other than that of 'salvation'? I don't think so, I don't believe in predestination.
Does it matter to him? Again I like to think so - but I might be wrong.
He might care enough to give mankind the resources to sort out any problems - but again, it's up to us to use them, but like you say it ain't that simple - but I don't see how 'we' can blame God for 'our' inaction.
I don't believe in a co-dependent God/mankind setup, that's why I say we can't expect him to fix everything for us, the solution is often very much in our own hands.