David Attenborough and scientist Johan Rockström examine Earth’s biodiversity collapse and how this crisis can still be averted.

A look at how climate change affects our environment and what society can do prevent the demise of endangered species, ecosystems, and native communities across the planet.

When National Geographic photographer James Balog asked, “How can one take a picture of climate change?” his attention was immediately drawn to ice. Soon he was asked to do a cover story on glaciers that became the most popular and well-read piece in the magazine during the last five years. But for Balog, that story marked the beginning of a much larger and longer-term project that would reach epic proportions.