Mastercard Inc. pledges to hit the equivalent of net-zero greenhouse gas emissions by 2050, an increasingly familiar refrain across major companies and government bodies as a Joe Biden-led U.S. looks to rejoin global counterparts in trying to slow man-made climate change.
The nature of Mastercard’s
business poses a huge challenge for the portion of the pledge that gets after downstream climate-change violators.
So-called Scope 3, or indirect, emissions from outside the company constitute the bulk of Mastercard’s GHG emissions, not unlike most service companies. More than 70% of “its” pollution came from suppliers in…