"We're going to responsibly retrograde all of our capabilities that we are responsible for and the contractors fall in that realm as well," Austin said.
The US secretary of state also met with EU foreign policy chief Josep Borrell, both of whom expressed deep concern over Russian troop movements, according to a European statement.
Biden has said a response to climate change will create new jobs, while Moon has introduced his ambitious Green New Deal aimed at economic recovery from the coronavirus fallout.
Biden's pick for Treasury Secretary, Janet Yellen, is expected to rule out seeking a weaker dollar when testifying on Capital Hill on Tuesday, the Wall Street Journal reported.
SPDR Gold Trust the world's largest gold-backed exchange-traded fund, said its holdings fell 0.20% to 1,167.53 tonnes on Tuesday from 1,169.86 tonnes on Monday.
"The choice of Miguel A Cardona as Secretary of Education signals that now we have the possibility, if he is confirmed, to see for the first time in history, three Latinos in the cabinet," the organization said.