A new typeface called Ryman Eco, developed by a stationery company based in the UK, claims to be the world's most beautiful sustainable font. In the sample above, you can see that each letter is formed by a series of thin lines rather than one thick one. Because of this, printing a page of Ryman Eco text uses approximately 33% less ink than standard fonts. And it's free, of course. Below is an interesting little clip about it:
If you'd like to download it, click here. It took about two seconds to download and add to Font Book. I've been playing around with it, and I really love it as a larger headline font... the jury's still out on Ryman Eco as smaller body copy. The Huffington Post has an interesting article about it here if you'd like to learn more.
Let me know what you think if you try it! And head over here if you need a refresher on how to install a font on your computer once you've downloaded it.