This story was updated at 1:55 p.m. EDT.
The Democratic bid to fight climate change through budget reconciliation is posing a major test for corporate climate commitments.
So far, top companies like Amazon.com Inc. and JPMorgan Chase & Co. are failing to embrace the high-stakes challenge, experts say.
“We should worry that the commitments are just green-washing,” said Michael Vandenbergh, an environmental law professor at Vanderbilt Law School.
Amazon, Walmart Inc. and Apple Inc. are some of the corporate giants that have reluctantly engaged in the public debate over the $3.5 trillion package, one of the most ambitious efforts to address climate change ever proposed in Congress. Democrats are trying to pass it using the reconciliation process to avoid a Republican filibuster.
Congressional leaders and the White House are still hammering out the specifics, but currently the bill aims to use tax increases on businesses and…