Illegal drug users get fired more frequently (4.6 percent were terminated within the past year compared to 1.4 percent of non-users). Drug users also switch jobs more frequently; 32.1 percent worked for three or more employers in the past year, compared to 17.9 percent of non-drug-using workers.
This can mean a good supply of mulch alternatives. Grass clippings can only be used as mulch if the clippings are added to other types of mulching ingredients. The reason for this is that grass clippings do not have a free circulation of oxygen and actually can build up methane gas in larger volumes.
I have, I still don't like it. Tree Leaves: Tree leaves are Mother Nature's preferred mulch. Leaves from trees such as Oak which have a thicker texture make a better mulch than the leaves of trees such as Maples which are thinner. The thin leaves can compact down together to form an impermeable layer.