As a child, Attenborough enjoyed studying fossils. And sadly, we don't only deplete our fish. Even in places where theres no land at all. Its been staring us in the face all along. But in certain places, there are hot spots where currents bring nutrients to the surface and trigger an explosion of life. A broadcaster recounts his life, and the evolutionary history of life on Earth, to grieve the loss of wild places and offer a vision for the future. And to begin with, it was quite easy. So when he asks that people heed his "witness statement" about the peril humans . Interspersed with footage of his career and of a wide variety of ecosystems, he narrates key moments in his career and indicators of how the planet has changed over his lifetime. ATTENBOROUGH: Yes. Video zone: David Attenborough: A Life on Our . Pollinating insects disappear. The very thing that weve removed. Since the Second World War, what's known as the "Great Acceleration" has brought us many progressive things, as our GDPs indicate. Be the first one to, David Attenborough - A Life on Our Planet 2020, Advanced embedding details, examples, and help, Terms of Service (last updated 12/31/2014). The forest is growing, flowers and fruit trees blossom, and wild animals visit. In his 93 years, Attenborough has visited every continent on the globe, exploring the wild places of the planet and documenting the living world in all its variety and wonder. Which is why weve cut down three trillion trees across the world. It was going to bring everything we had ever dreamed of. A 12-year-old boy learns he's the returned Jesus Christ, destined to save humankind. Unlike land chains, which may have three food chain links, such as grass, to wildebeest, to lion, the sea has about five, so if we overfish at one point, we collapse the entire system. Boo! Tasks . Its a sanctuary for wild animals that are very rare elsewhere. Sir David Attenborough Has A Dire Message About The Earth's Future A line in the rock layers. To restore stability to our planet, we must restore its biodiversity. Levies and carbon taxes will go somewhere to shift this. A determined detective continues his search for the truth behind Asia's largest drug organization and its elusive boss he has unfinished business with. Sparkling coastal seas. [Attenborough] If we can change the way we live on Earth, an alternative future comes into view. Imagine if we committed to a similar approach across the world. The resources they used naturally renewed themselves. Sir David Attenborough to 60 Minutes on climate change: "A crime has The government decided to act, offering grants to land owners to replant native trees. And then we will suddenly discover that suddenly the seas are almost empty. And, of course, the ocean is important to all of us as a source of food. Attenborough's wildlife journey started at a young age. The true tragedy of our time is still unfolding across the globe, barely noticeable from day to day.