In a new podcast, former Arkansas Gov. Mike Huckabee says New Orleans residents “had plenty of warnings to evacuate” before Hurricane Katrina but he speculates that they ignored those warnings because of prior exaggerations from climate change activists.

As first reported by Buzzfeed News, the Republican presidential candidate used his podcast this week to take aim at those who have sounded alarms over climate change.

He used Katrina evacuation as an example of what he believes is an effect of overblown claims that have been made about global warming. He likened it to activists “cry(ing) wolf.”

“I understand the natural impulse to stay and defend your home, but you can’t fight a flood. The people of New Orleans had plenty of warnings to evacuate because Hurricane Katrina might land a direct hit, but many chose to stay anyway,” he said. “I can’t help thinking, one reason they ignored warnings of dangerous weather from real experts is that they’ve heard from so many self-proclaimed experts who were exaggerating to advance their own agendas.”

The scientific community generally agrees that human-caused global warming is real. Others have pointed to age and income among reasons why some people didn’t evacuate.

Hurricane Katrina was one of the country’s worst natural disasters in recent history. More than 1,500 people were killed in Louisiana alone -- more than any other state — and hundreds of thousands more were displaced from their homes.

Another Republican presidential candidate, former Florida Gov. Jeb Bush, also recently evoked the 2005 storm on the campaign trail.

According to CNN, Bush told a South Carolina audience that S.C. state Sen. Katrina Shealy should be nicknamed “Hurricane Katrina.”

“I don’t know why your great state senator reminds me of a hurricane, but she does,” he said. “She’s strong and she’s fierce, and she’s solving problems for you at the state Capitol.”

Bush drew backlash from some on social media, but Shealy defended his remarks.

Listen to Huckabee’s podcast remarks here via Buzzfeed.