I love your response @p-props, thanks for that! :-)

And you do right, I think, to keep your kids positively interested in these matters. But I also think this: what's wrong with simply telling them the truth? That it's great to care about the straws and that it will have some effect if they refuse them, but tell them the rest of the story to. That's not cynical, at least I don't think so. Don't confuse them by starting too soon with this of course, but there comes that day when you explain to them that Santa Clauthe norms isn't real.

Again, I don't presume to know what's best to do; raising kids is the everlasting human experiment with no end ;-) But I strongly believe we should at least try to speak as much truth as possible, especially to the children. Having said that, I truly admire your heart and intent toward your kids!! I believe they're lucky to have a father that wants the best for them; don't ever change that please :-)