Every species plays a crucial role in our natural world. But when humans tinker with the equation, a chain reaction can cause entire ecosystems to break down. In this hour, TED speakers explain how everything is connected in nature, with some bold ideas about how we can restore the delicate balance and bring disappearing ecosystems back.
Journalist George Monbiot considers whether 'rewilding' can restore vanishing ecosystems. Sustainability consultant Jane Poynter reflects on the lessons from Biosphere 2. Boacoustician Bernie Krause explores what listening to nature teaches us about changing habitats. And entomologist Marla Spivak analyzes why bees are disappearing.
Learn more or listen again to this week's episode, which originally aired on February 9, 2014.
Banner image: Brian Wolfe