Join Mexico's visionary leaders for the third of a four-part series celebrating the excellence of Mexico and generating a rare and open dialogue on the country's future. Tonight: Climatologist Alexander Gershunov of Scripps Institiution of Oceanography, world-renown botanist Rodolfo Dirzo of Stanford University, Eduardo Santana, co-founder of the Inter-municipal Environmental Agency for the Integrated Management of the Ayuquila River Watershed, and plant ecologist Exequiel Ezcurra, the director of the University of California's Institute for Mexico and the United States, discuss how science and technology impact society. (#20899)