Aside: In Greenpeace's current analysis of consumer electronics (Which companies really sell greener electronics), Apple leads in every category. Interestingly, Apple is also the only company that has a product in every category.
In any event, Apple does seem to be a company that listens, and is inclined to "do the right thing" - at least some of the time.
This is where we get into "enlightened self-interest" territory: Clearly (in addition to the direct reductions to pollutants) it's in Apple's interest as a for-profit corporation, to be seen as "green", especially as "green" becomes a bigger and bigger buzzword.
Now, allow me an extrapolation into politics: