Law Keeping and Green Earth

Many people seem to be quite concerned about health - theirs and that of the planet we depend on. This, to me, goes right to keeping the law of scripture and the whole question of whether or not to do so.
There are those who insist keeping ANY law means you're "under the law", that's directly from scripture. But really, it obviously doesn't mean what they're saying! This would mean that we are to refuse to keep all laws, I would have to marry my grandfather, find a few people to steal from and murder, make sure my yard is unsafe for people to walk through... Obviously the scripture is saying, If you're keeping the law to be justified, you have to keep all of it perfectly at all times, and that doesn't happen.

I don't see why everyone is so upset at being a "legalist, a law-keeper" anyway. I've never aspired to being a law-BREAKER.

Enough of that, here's the question about "being green". We are to be taking care of the earth; whatever we do toward that end is good and probably expected. But what about the food laws, health laws, all of those? It seems that if we seriously try to avoid all forbidden, unclean things, we'll fail miserably. I'm not sure there are even any things clean left! Recently I discovered even paper towels use pork fat in them - what the heck is that about? Our land is defiled from pollution and unclean things, is anything growing in it safe?
I can imagine getting so concerned about this whole "clean" concept, that there would be no time left for the greater matters of love and mercy.
But we can't ignore them either. Maybe this is what the Bible means when it talks about the Creator putting a curse on the land because of the sin of the inhabitants - our land is hardly fit and safe because we don't work and live in general the way we are intended to do.

I'm linking a few sites on my sidebar that have drawn my attention back to being more conscientious of the earth I should NOT be taking for granted. This physical world is not perfect so all we can do is our best and for the rest, rely on the promises of protection (like the one about picking up deadly snakes and not being hurt).