PITTSBURGH–(BUSINESS WIRE)–Alcoa Corporation (NYSE: AA) today announced an ambition to achieve net-zero greenhouse gas (GHG) emissions across its global operations by 2050. This endeavor to reach net-zero GHG emissions by 2050 for direct (scope 1) and indirect (scope 2) emissions aligns with the Company’s strategic priority to advance sustainably and complements the Company’s existing targets, which include reducing direct and indirect GHG emissions from aluminum smelting and alumina refining