The document discusses composting and landfill waste. It explains that compost is made by letting vegetables, fruits, leaves, and grass rot in a pile, which turns it into soil that can be used in gardens. It lists items that can and cannot be composted. It also discusses the landfill process, where garbage trucks take trash to landfills where it is dumped into piles and covered with dirt. It notes some materials take a long time to decompose in landfills, such as glass, aluminum, and plastic, and that landfills will eventually become too full.