With the speed of technological advances, new gadgets are constantly becoming available. From digital cameras to MP3 players to electronic book readers (and countless others in between) — there are a lot of products. Green gadgets are environmentally friendly versions of or improvements on existing gadgets. Products made with eco-friendly methods, less packaging and energy efficiency fit into the green gadgets category. Read up on all of the latest green gadget news below. (Photo: Flickr)