Over on my 365Letters blog, I've been writing about Earth Day topics. Today, I was digging around looking for some information on eco-friendly ink and pens. I came across a TreeHugger Forum discussion about the DBA 98 pen. It's 98 percent biodegradable and contains eco-friendly ink made from water, non-toxic pigments, glycerin (a food-grade sugar alcohol), and sodium benzoate (a food-grade preservative). Check it out!