Why should you rake your leaves? It’s a simple answer: to protect the environment. One bag of leaves can add enough to nutrients to a lake for about 100 pounds of algae to grow.
Leaves decompose and restock the soil with nutrients and organic matter. But when the leaves land on the street or sidewalk the decomposing bits wash down the street and into the storm drain. They go directly into lakes and rivers where the nutrients feed unwanted algae growth. When the alga dies and decomposes it uses up oxygen that fish and native plants need. It is important to rake up the leaves and keep them out of our streams and lakes.
Options to dispose of leaves: