People are too selfish to make the changes necessary to help stop climate change.
That's according to Newstalk Breakfast host Shane Coleman, who was responding to a new IPCC report.
The UN body has warned the pace and scale of what has been done so far are "insufficient" to tackle climate change.
Shane said he believes people are not listening, because they choose not to.
"I don't think it's going to change," he said.
"I think we as humans are ultimately too selfish - unless and until it starts affecting us personally.
"Talking in terms about hundreds and thousands of people dying in various parts of the world, for some reason, doesn't seem to cut any ice with us.
"I just think we will continue to stick our head in the sand as humans, until it literally hits us between the eyes - which it will at some point.
"I don't think we're going to act - I feel quite depressed about it, I have to say".
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Co-host Ciara Kelly said the issue needs someone people will listen to.
"I think we need leadership on this, because I think the messaging has to improve," she said.
"I don't think people are being brought with what needs to happen.
"I think scientists can't do this, they're boring - they don't really sell this to people in a particularly interesting way.
"We need leadership, and I don't mean leadership like the Green Party - because frankly they're quite boring too.
"I think we need somebody like a Tzar, somebody that is charismatic, somebody to actually say, 'This is what we need to happen'.
"I'm not saying they need to be in power... we need somebody who actually can bring people with them [and] sell the message.
"We've sold unpalatable messages before - we've just come through a pandemic," she added.
