To see how they are best deployed in each region of the world, use the menu at left. Boosting energy efficiency: The energy used to power, heat, and cool our homes, businesses, and industries is the single largest contributor to global warming.
So to create leaf mulch, here are at least seven methods you can use to further decomposition: The first three methods require less work, but the decomposition takes longer (six to 12 months). 1. You can make leaf mulch by piling all the leaves in a corner of your yard and letting the worms gradually drag them under.
ozgurcoskun/iStock/Getty Images. The amount of mulch needed to cover a garden area depends on the texture and density of the mulch material. Over time, the mulch settles, compacts and decomposes. One cubic yard of mulch equals 27 cubic feet.zgurcoskun/iStock/Getty Images. The amount of mulch needed to cover a garden area depends on the texture and density of the mulch material. Over time, the mulch settles, compacts and decomposes. One cubic yard of mulch equals 27 cubic feet.