Glass Recycling Facts: Where Bottles and Jars Go After the Bin
A bottle in a recycling bin is the start of a question: where does the glass go next? National waste figures show how much was recycled, while glass-industry figures describe some of the materials made from it. Reading those numbers carefully makes the recycling story more useful than treating every glass total as the same thing.
What Counts as Glass Waste
The U.S. Environmental Protection Agency describes glass in municipal solid waste mainly as containers. Examples include drink bottles and bottles and jars for food, cosmetics and other products. Municipal solid waste is the waste category being counted; the figures below describe that national waste stream.
In 2018, the United States generated 12.3 million tons of glass in all products, according to EPA. Glass represented 4.2% of municipal solid waste generated that year. Keep both the date and the category attached to the number: this is a 2018 total for glass in all products, rather than just bottles and jars that were recycled.
How Much Gets Recycled
EPA reports that 3.1 million tons of glass containers were recycled in 2018, giving a container recycling rate of 31.3%. In the same year, about 7.6 million tons of glass went to landfills, and 1.6 million tons was counted as combusted. Glass made up 5.2% of all municipal solid waste landfilled in 2018.
The EPA's glass material data separates these categories. The 31.3% rate applies to glass containers. The 12.3 million-ton generation total covers glass in all products. Dividing the recycled-container tonnage by the all-product total would mix the categories, so keep EPA's stated container rate with its container figures.
These numbers answer different questions. The recycling rate describes the share of containers recycled in 2018; the landfill figure describes the amount of glass buried in that year. Neither number, by itself, tells you what happened to one household's bottles or what a particular product contains.
Where Recycled Glass Goes
The Glass Packaging Institute, a trade association, says the container and fiberglass industries collectively purchase and remelt 3.2 million tons of recycled glass annually. It also says recycled glass can become bottles and jars in as little as 30 days. That is a possible turnaround, rather than a timetable to assume for every bottle placed in a bin.
Glass can be recycled endlessly without losing quality or purity, according to the institute. This describes the material's ability to be used again. The 2018 EPA figures describe how much was actually recycled in that year's national waste accounting. Both statements can be useful, but they answer different questions about recycling.
Why Recycled Glass Saves Raw Materials
The institute's glass recycling facts put raw-material savings into pounds. For each ton of glass recycled, it lists 1,300 pounds of sand, 410 pounds of soda ash, 380 pounds of limestone and 160 pounds of feldspar conserved. Soda ash is sodium carbonate; sand, soda ash and limestone are primary ingredients in traditional glassmaking.
The institute also describes cullet, the recycled glass included in the manufacturing mix, as lowering the melting temperature from 2,800°F to 2,600°F. These figures explain the value of glass as a manufacturing input. They are not a savings calculation for one cleaning block, jar or household recycling bin.
The 2030 Recycling Goal
On November 17, 2020, EPA announced a National Recycling Goal of increasing the U.S. recycling rate to 50% by 2030. EPA developed a National Recycling Strategy alongside it, identifying objectives and actions for a stronger recycling system. The goal is a benchmark for national recycling, rather than a separate glass-container target.
Keep the 50% goal separate from the 31.3% glass-container rate in 2018. One is a national target with a future deadline; the other is a measured rate for a particular material category and year. They belong in the same conversation, but cannot be used as though they were two measurements of the same thing.
Glass That Becomes a Cleaning Block
For questions about the material described in the block guides, start with the white foamed glass explainer. The national figures here offer background rather than a measurement of any individual block. They do not provide a product's recycled-content percentage or a comparison of its full environmental costs.
For the mined-material side of that comparison, the USGS February 2026 pumice summary lists abrasives among pumice's uses and says all known U.S. pumice and pumicite mining in 2025 used open pit methods. It describes pumice recycling as "little to no known recycling." Those are supply facts about pumice, separate from the glass waste figures.
The environmental philosophy guide connects the material discussion to the larger recycling question. When comparing any recycling claim, keep asking what was counted, which year it describes and whether it concerns a material, a whole waste stream or one product.