Yes, it is a green gadget as it cuts down the action of cutting trees for paper. Additionally ebook readers use lithium polymer batteries for charging their batteries that do not harm the environment. Moreover the lithium polymer batteries last long and cut down your costs of buying batteries again and again. You can also contribute in saving the environment by recycling all the electronic gadgets. Since many companies compete in inventing new electronic devices day by day, you can think of disposing your old electronic gadgets wisely. If your electronic gadgets are in working condition, you can always donate them to schools and colleges. EBook Reader Reviews say that though the charging of ebook readers emit green house gases that are harmful to environment it does not attract much power to charge the devices. Many companies are also considering alternate charging systems that do not affect environment. One such consideration is usage of solar energy.