Sanders: Climate change still greatest threat to national security

Bernie SandersBernie SandersTrump complains of 'fake polls' after surveys show him trailing multiple Democratic candidates The Hill's Morning Report - Presented by JUUL Labs - Trump attack on progressive Dems draws sharp rebuke Judd Gregg: Counting the costs of Democrats' desires MORE stood by his claim that climate change is the greatest threat to national security at Saturday night’s Democratic presidential debate.

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CBS's John Dickerson, the event's moderator, asked Sanders if he still believes climate change represents the biggest outside threat to U.S. safety one day more than 120 people were killed in terrorist attacks on Paris that the Islamic State in Iraq and Syria has taken credit for.

“Absolutely,” the Vermont senator responded. “Climate change is directly related to the growth of terrorism and if we do not get our act together and listen to what the scientists say, you’re going to see countries all over the world ... struggling over limited amounts of water and land to grow their crops and you’re going to see all kinds of conflict.”

Earlier at the debate, Sanders hit party front-runner Hillary ClintonHillary Diane Rodham ClintonTrump complains of 'fake polls' after surveys show him trailing multiple Democratic candidates Hillary Clinton responds to Trump tweets telling Dem lawmakers to 'go back' to their countries The Young Turks' Cenk Uygur: Here's how to choose a president MORE for voting to authorize the invasion of Iraq, saying the war had led to the rise of ISIS.