Composting is a method of recycling organic materials, such as certain food waste and yard clippings, directly into the soil.

Batteries contain many toxic ingredients, such as lead and cadmium, which can cause serious environmental damage if they are buried in landfills. Many recycling centers direct customers to special dealers who accept used batteries.

Steel cans can be recycled many times. Recycled steel is used for many products, such as tin cans.

Not all forms of aluminum are recycled. For example, aluminum foil can be recycled, but not all recycling centers are set up to process it.

In 1999, roughly two-thirds of all aluminum cans produced in the United States were recycled.

Aluminum cans are the most widely recycled metal.

Recycling reduces the improper disposal of trash, such as littering.