While these terms aren't widely used, they accurately describe the scientific study of:

* Waste composition: Understanding the types and quantities of waste generated.

* Waste management: Examining methods of collecting, transporting, and disposing of waste.

* Environmental impact: Assessing the effects of waste on ecosystems and public health.

* Recycling and resource recovery: Exploring ways to reuse and repurpose materials from waste.

Other related fields:

* Waste management: A broader term encompassing all aspects of waste handling.

* Solid waste management: Specifically focusing on non-liquid waste.

* Waste engineering: Applying engineering principles to waste management systems.

* Environmental science: Providing a broader context for understanding waste as an environmental issue.

So, while "garbageology" might sound a bit informal, it accurately captures the scientific study of our waste.