Katharine Hayhoe is an atmospheric scientist whose research focuses on understanding what climate change means for people and the places where we live. She is a professor at Texas Tech University, she hosts the PBS digital series Global Weirding, and she has been named one of TIME’s 100 Most Influential People and Fortune’s 50 World’s Greatest Leaders.
An extended biography is here: http://www.katharinehayhoe.com/wp2016/biography/