Coalition told it must hugely increase clean energy investment beyond hydrogen, carbon storage promise

Experts' assessment comes on eve of US-hosted climate summit pressing countries for bigger commitments and deeper cuts to emissions

The Morrison government has been warned it needs to massively increase investment in clean technology if it is serious about its technology, not taxes" climate policy after promising $540m for clean" hydrogen and carbon capture programs.

Scott Morrison visited the New South Wales central coast on Wednesday to promise $275m for hydrogen hubs over five years and $263.7m for carbon capture and storage (CCS) projects and hubs over the next decade.