# Aluminium Smelter

## Straumsvik (ISAL)

**Location:** Iceland, Republic of  
**CarbonChain Rating:** Green  
**Operator:** Rio Tinto

### About

Aluminium is responsible for 4% of global emissions, twice as much as flying. Carbon intensity varies hugely, from 4 to 20 tonnes CO2 per tonne aluminium. CarbonChain tracks carbon from bauxite mining, through alumina refining, to smelting.

#### CarbonChain provides product footprints for the world's 3,000+ aluminium supply chains.

1. [Zouping (Hongqiao)  
   China, People's Republic of](/content/reports/zouping-hongqiao/index.html)
2. [Ziar Nad Hronom  
   Slovakia](/content/reports/ziar-nad-hronom/index.html)
3. [Zunyi smelter  
   China, People's Republic of](/content/reports/zunyi-smelter/index.html)

[Contact for Details](/content/contact-us/index.html)