Katharine Hayhoe

Katharine Hayhoe is a climate scientist and professor in political science at Texas Tech University, where she directs the Climate Science Center. She is also a lead author for the US National Climate Assessment and host of the PBS digital series Global Weirding. She has been named one of Time’s “100 Most Influential People,” Fortune's “50 Greatest Leaders,” and Foreign Policy’s “100 Leading Global Thinkers.”