- Two serious injuries in 2023
- Challenging stakeholder and operational issues within our portfolio (e.g., securing government approval of mine plans in Western Australia, addressing financial situation at San Ciprián complex in Spain)
- Concerns raised over the construction of a wastewater pipeline over the Samson Brook dam in Western Australia
- Concerns raised by stakeholders in Western Australia regarding certain aspects of our operations
- Significant increase in the number of complaints received at our Juruti operation in Brazil due to historically low water levels
- Increased DART rate in 2023 due to reclassification of work-related musculoskeletal injuries
- Series of incidents involving chemical burns at refineries in Western Australia
- Concerns raised by the group ‘Friends of the Anglesea River’ regarding possible adverse impacts to the Anglesea River
Alcoa Corporation
Greenhouse gas emissions & sustainability report data
Figures are as stated in the company's own report and may use different boundaries, units or methods (for example market-based vs location-based Scope 2), so compare with care.
Renewable Energy
87% (smelters)
of total energy
Water Usage
786.1 million cubic meters
2023
Waste
325.2 thousand metric tons
2023
📈 Emissions by Report Period
| Report period | Headline emissions figure reported |
|---|---|
| 2022 | 20.8 million metric tons CO2e/year |
| 2021 | 21.8 million metric tons of CO2e |
Each row is the headline figure extracted from a different report; scope coverage and methodology can change between years.
✅ Reported Environmental Achievements
- 2.2% decrease in CO2e emissions year-over-year
- 15.5% reduction since 2015 of bauxite residue land requirements per metric ton of alumina produced
- 87% of electricity powering our smelters came from renewable sources
- 9.7% increase in spent pot lining diverted for recovery
🎯 Climate & Sustainability Targets
🔜 Short-term
- Reduce GHG emission intensity by 30 percent by 2025 (from 2015 baseline)
- Reduce landfilled waste by 15 percent by 2025 (from 2015 baseline)
- Reduce the intensity of total water use from Alcoa-defined water-scarce locations by five percent by 2025 (from 2015 baseline)
- Implement SP360 social performance management system at all operating locations by 2025
📅 Medium-term
- Reduce GHG emission intensity by 50 percent by 2030 (from 2015 baseline)
- Reduce bauxite residue land requirements per metric ton of alumina produced by 15 percent by 2030 (from 2015 baseline)
- Reduce landfilled waste by 25 percent by 2030 (from 2015 baseline)
- Reduce the intensity of total water use from Alcoa-defined water-scarce locations by 10 percent by 2030 (from 2015 baseline)
- Deploy skills development programs to equip members of host communities with necessary competencies by 2030
🔭 Long-term
- Achieve net zero GHG emissions by 2050 (Scope 1 and 2)
🌱 ESG Focus Areas
Climate ChangeBiodiversity and Mine RehabilitationLocal Commitment with CommunitiesImpoundment ManagementHuman RightsInclusion, Diversity and EquitySupply Chain ManagementHealth and SafetyEthics and Good Governance