Could a ‘Green Metal Exchange’ provide liquidity to commodity markets while protecting the environment?

Reliable market liquidity is essential to global commerce because it promotes price discovery. But should liquidity come at any cost? What if promoting liquidity meant compromising the environmental, social and governance (ESG) objectives of market participants? Would that market still be 'fit for purpose'?  If participants in the LME are grappling with these questions, what might it take for Australia (or any other ESG-conscious jurisdiction for that matter), to establish a Green Metal Exchange (the GME) as a credible rival to the LME?