The promise, made by the chief executive officers of 27 companies including JPMorgan Chase, Citigroup and Bank of America, is part of a new initiative called the New York Jobs CEO Council.

Deferrals on residential mortgages and home-equity loans have been a common theme at JPMorgan Chase, Bank of America, Wells Fargo and Citigroup since the start of the coronavirus pandemic.

The pair has joined Morgan Stanley among the roster of global banks pledging to measure the impact their lending decisions have on global warming. Citi also said it would finance $250 billion of low-carbon projects.

Citing possible exploitation, Bank of America instituted a policy that put limits on loans to persons in guardianship. It later ended the policy.

The national conversation around systemic racism has compelled large banks to withdraw support from the “disparate impact” proposal. But community banks maintain that the proposed reforms would reduce frivolous claims.

Bank of America was the latest large bank to report a second-quarter drop in the key earnings metric after a March surge in credit line utilizations gave way to rapid payoffs in May and June.

Second-quarter earnings fell by more than 50% from the same period last year after the company allocated $5.1 billion for potential loan losses.

The new Center for Climate-Aligned Finance will help financial institutions navigate the various challenges involved in the shift to renewable energy — as lenders, power consumers and corporate citizens. Its backers include JPMorgan and Bank of America.

Many big banks say they will focus on existing customers in offering credit through the Federal Reserve’s emergency lending program for midsize businesses. Complex vetting and fear of being inundated are said to be among their concerns.

The Wall Street firm is jumping into a market dominated by a handful of big U.S. banks, betting that superior technology can lure companies with complex cash-management needs.