| CO2e | Carbon dioxide equivalents |
| DEFRA | UK Department for Environment, Food and Rural Affairs |
| GHG | Greenhouse Gas |
| HVAC | Heating, ventilation, and cooling |
| ICE | Inventory of Carbon and Energy |
| ISO | International Organization for Standardization |
| LCA | Life cycle assessment |
| NHS | National Health Service |
| PEEK | Polyetheretherketone |
| PEKK | Polyetherketoneketone |
| PHA | Porous hydroxyapatite |
| PMMA | Polymethylmethacrylate |
| PPE | Protective personal equipment |
| UN-CC-COP | United Nations Climate Change Conference of Parties |
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