Anne Thompson, NBC's chief environmental affairs correspondent, moderated the expert panel, which included (from left): Heidi Cullen, a correspondent for Climate Central, a
nonprofit that reports on climate science; Bill Richardson, former governor of New Mexico and a board member of the World Resources Institute, an environmental
think tank; Grady Gammage Jr., a practicing attorney and a senior scholar at the ASU
Global Institute of Sustainability; and Pat Mulroy, general manager of the Southern Nevada Water Authority.