Some scientists say we're in a new geological age where humans are having an unprecedented impact on Earth. This hour, TED speakers ask what this means for the future of our planet, and our species.
Kenneth Lacovara: What's The Anthropocene?
Emma Marris: How Do We Embrace All Kinds Of Nature?
Peter Ward: Are We Headed Into Another Mass Extinction?
Kenneth Lacovara: How Can Dinosaurs Help Us Understand Our Own Species?
Cary Fowler: Can We Preserve Seed Diversity For The Future?