It’s hard to comprehend large-scale change over time, says Berkeley paleontologist Charles Marshall. The rapid increase in greenhouse gas emission, soaring population growth, and resource extraction have largely occurred within one lifetime. Today, of course, human-driven change is undeniable, global and threatening. See what UC Berkeley is doing to make a difference in our future – in our climate, environment, biodiversity and energy use. Series: "Cal Future Forum: Our Changing World" [Science] [Show ID: 33076]