This idea has floated around the blogosphere for a while ... as a Lenten discipline, try to remove a bag of clutter from your home every day for 40 days. People who are clutter-prone might need to try a large black garbage bag. For others, small grocery bags might do it.
Maybe you could take a week and call it "recycle" week. Have every bag that week be stuff that needs to go to the Recycling Center. Then a "Goodwill" week. Then a "Garage" week ... before you know it, you'll be ready for Easter, and your random, accumulated clutter from years of living in our consumption-driven society will be annihilated.
Spiritually, the practice is called purgation. As you purge your material clutter, ponder your spiritual clutter. Take time as you sort your stuff to sort through your "STUFF."