Vale’s Clean AER Project is the largest single environmental investment in Sudbury’s history, and one of the largest in Canada.

AER means "atmospheric emissions reduction".

Clean AER - pronounced "air" - will result in an 85% reduction in sulphur dioxide emissions from current levels when the project is complete.

To accomplish this, Vale is investing $1-billion to retrofit its Smelter operations in the Sudbury region.

The Clean AER goal is long-term environmental and economic sustainability of Vale's operations in the Sudbury area.

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