Corporations and big business have wrecked the environment, but disadvantaged communities living in "sacrifice zones" -- urban areas heavily polluted and poisoned by industry -- are paying the price, says climate justice leader Angela Mahecha Adrar. Explaining why racial and economic justice must be at the center of climate action, she takes us to the frontline communities that are leading the world to clean, innovative and just climate solutions -- like Cooperativa Tierra y Libertad, a local farm co-op in Washington that's disrupting the multibillion-dollar berry business.