The non-binding public consultation process started on March 24 and ends on April 22, 2023.

Most baseline mercury emission estimates don’t provide enough information to tell whether shifts in the rate from one year to the next were the result of actual change or data uncertainty.

The idea is part of a broader initiative involving Argentina, Bolivia, Brazil and Chile to form an OPEC-like lithium cartel.

CAP’s steelmaking division aims to substitute coal used in its blast furnaces with less polluting fuels, including hydrogen.

If changes are approved, miners will pay a fixed "ad valorem" component of 1% on copper sales and 8% to 26% on their operating margins.