The issue focused on climate change and climate scientists who seek to deny climate science and scientific consensus that climate change is occurring and caused by humans. The panel includes Bob Carter, director of NASA's Goddard Institute for Space Studies; Alfred McEwen, NASA climate scientist and chairman of the NASA Advisory Committee on Science and Technology Policy; NASA scientist Jonathan Marshall; NASA scientist Terry Hughes; NASA scientist Philip Lubin; climate scientist Katharine Hayhoe; and scientist Rajendra Pachauri.

Carbon Brief talked with