Climate change is one of the most hotly debated scientific issues of today. But, is the evidence solid? Are proposed solutions viable? And why would anyone care?

Texas Tech professor Katharine Hayhoe untangles the complex science behind global warming and highlights the key role our faith and values play in shaping our attitudes and actions on this crucial topic. Hayhoe delivered the Beggs Lecture on Science, Spirituality and Society at Cornell on October 25, 2012.