Apple Is Cleaning Up
We’ve dramatically reduced the environmental impact of our corporate facilities and the data centers that provide online services to our customers. And we continue to invest in ways to achieve 100 percent renewable energy and lessen our carbon footprint even more.
( Source: Apple | Apple and the Environment )
It's too bad this doesn't get much coverage; it sure seems like a pretty big deal. Using clean, renewable resources to power the services we use on our mobile and computing devices.
Yes, the process is likely not 100% based on clean resources (backup generators usually don't fit in this category), but sure is a step in the right direction.