Walk the walk

Check this out: Voltaic™ brand solar backpacks allow you to recharge your personal electronics using the power of the sun!

Uncork that Nalgene, roll yourself another American Spirit and strap on your vegan shoes 'cause now you're good to go!

Seriously, though, these are pretty freakin cool. I can see making them the next hot accessory as part of a renewable energy awareness campaign.

Can we get Paris Hilton to charge her Sidekick using a Voltaic pack?