Waste reduction helps conserve natural resources, reduce greenhouse gas emissions, and improve air and water quality. It does not lead to increased energy consumption.

Recycling is the process of recovering materials from waste for reuse or recycling, while upcycling is the process of transforming waste materials into new products of better quality or perceived value.

The waste management hierarchy typically consists of reduce, reuse, recycle, and compost. Incineration is a waste disposal method, not a part of the waste management hierarchy.

Composting is the process of converting organic waste into a nutrient-rich soil amendment, while anaerobic digestion is the process of breaking down organic matter in the absence of oxygen.

Landfills emit greenhouse gases such as carbon dioxide and methane, but not nitrogen or oxygen.

Upcycling is the process of transforming waste materials into new products of better quality or perceived value, while downcycling is the process of transforming waste materials into new products of lesser quality or value.

Waste composting offers benefits such as reduced greenhouse gas emissions, improved soil quality, and reduced waste volume. It does not lead to increased water pollution.

Anaerobic digestion is the process of breaking down organic matter in the absence of oxygen, while composting is the process of converting organic waste into a nutrient-rich soil amendment.

Hydroponics is a method of growing plants without soil, using nutrient-rich water solutions. It is not a type of waste management technology.

Landfilling is the process of disposing of waste by burying it in the ground, while composting is the process of converting organic waste into a nutrient-rich soil amendment.

Reduce, reuse, and recycle are all waste management strategies aimed at minimizing waste generation and promoting resource conservation. Ignoring waste is not a strategy.

Downcycling is the process of converting waste materials into new products of lesser quality or value, while upcycling is the process of transforming waste materials into new products of better quality or perceived value.

Waste recycling offers benefits such as reduced greenhouse gas emissions, conservation of natural resources, and reduced waste volume. It does not lead to increased energy consumption.

Anaerobic digestion is the process of converting organic waste into biogas, while composting is the process of converting organic waste into a nutrient-rich soil amendment.

Recycling center, landfill, and compost facility are all types of waste management facilities. Aquarium is not a waste management facility.