Extreme cold snaps: Why temperatures still plummet to dangerous levels even as the planet warms

Even as the world smashes through one all-time heat record after another and speeds towards critical warming thresholds, brutal waves of deadly cold can still arrive in bomb cyclones that bring icy weather and deep snow – and add fuel for those who deny the climate crisis is real or significant.

But some scientists say that climate change – and more specifically rapid warming in the Arctic – may actually be increasing the likelihood that frigid, polar air can dive south.

Read more on CNN.