Weather patterns in the Arctic have been described as "freakishly warm." NPR's Michel Martin talks with climate science professor Katharine Hayhoe of Texas Tech University about what's behind it.

MICHEL MARTIN, HOST: ... Already, before the Arctic blast comes, places like D.C. are having issues with freezing pipes, and other parts of the country are dealing with the same thing.

NPR's Michel Martin talks to meteorologist Francis Tarasiewicz about the cold front freezing parts of the northern United States. Over the past 24 hours, a dangerously cold storm has pushed ...

NPR's Michel Martin, the long-time weekend host of All Things Considered and co-host of the Consider This podcast, is moving to weekday mornings to become a host of Morning Edition.

MICHEL MARTIN, BYLINE: Look; it's time for a new adventure. I think it's - I think our work, fundamentally, is about what is happening in the world.