The Greens have been slammed for doing more harm than good in the fight to reduce carbon emissions.

School students are continuing to strike for climate change across the country, including on the lawn of Parliament House today.

But a union leader has slammed the Greens and other protesters for not considering the livelihoods of thousands of people who work in the coal industry.

National President of the CFMMEU Tony Maher tells Steve Price they haven’t thought things through properly.

“They’ve failed to take into the account the importance of the export coal industry is $60 billion. If you’re going to replace that, you’ve got to be careful what you wish for.”

Click PLAY below to hear the full interview