If you divide that over the course of the year, that's roughly 2,700,000 paper coffee cups thrown out every day. That’s a lot of cups. So many, in fact, that if stacked end-to-end, one billion ...

Depending on how strong you like your coffee, use one cup of ground coffee for ... of dust or off flavors from the paper, including the bleach used for white paper filters. It all may sound ...