Why should you rake your leaves? It’s simple: to protect the environment. One bag of leaves can adds nutrients for about 100 pounds of algae to grow. It's important to keep them out of our streams and lakes.
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 algae dies and decomposes it uses up oxygen that fish and native plants need.
Options to dispose of leaves: