Global climate change prompts a scientific corporation to genetically modify Alaskan polar bears with horrific and deadly results.

It is the largest movement the world has ever seen, it may also be the most important - in terms of what's at stake. Yet it's not east being green. Environmentalists have been reviled as much as revered, for being killjoys and Cassandras. Every battle begins as a lost cause and even the victories have to be fought for again and again. Still, environmentalism is one of the great social innovations of the twentieth century, and one of the keys to the twenty-first. It has arisen at a key juncture in history, when humans have come to rival nature as a power determining the fate of the earth.

'National Geographic' photographer James Balog was once a skeptic about climate change. But through his Extreme Ice Survey, he discovers undeniable evidence of our changing planet. In 'Chasing Ice,' we follow Balog across the Arctic as he deploys revolutionary time-lapse cameras designed for one purpose: to capture a multi-year record of the world's changing glaciers. Balog's hauntingly beautiful videos compress years into seconds and capture ancient mountains of ice in motion as they disappear at a breathtaking rate. Traveling with a young team of adventurers by helicopter, canoe and dog sled across three continents, Balog risks his career and his well-being in pursuit of the biggest story in human history. As the debate polarizes America and the intensity of natural disasters ramp up around the world, 'Chasing Ice' depicts a heroic photojournalist on a mission to gather evidence and deliver hope to our carbon-powered planet

On December 21, 2012 four strangers on a journey of faith are drawn to an ancient temple in the heart of Mexico. For the Mayans it is the last recorded day. For NASA scientists it is a cataclysmic polar shift. For the rest of us, it is Doomsday.

An up-to-date look at the climate change research currently being done by the scientists stationed in Antarctica.