The Climate Justice Alliance said Wednesday it will end a planned effort to address pollution disproportionately affecting Indigenous, rural, poor and communities of color because it did not receive promised funding from former President Joe Biden’s administration before he left office.

EPA Administrator Lee Zeldin said he’s working to retrieve billions of dollars the Biden administration frantically shoveled to green energy and climate justice projects in the months before President Trump took office.

The head of the U.S. Environmental Protection Agency is seeking to end contracts agreed by the previous administration to distribute $20 billion in grants to fund clean energy and transportation projects in disadvantaged communities,