Polls show that between one-third and one-half of Americans still believe that there is "no solid" evidence of global warming, or that if warming is happening it can be attributed to natural

Polls show that between one-third and one-half of Americans still believe that there is "no solid" evidence of global warming, or that if warming is happening it can be attributed to natural variability. Others believe that scientists are still debating the point. Join scientist and renowned historian Naomi Oreskes as she describes her investigation into the reasons for such widespread mistrust and misunderstanding of scientific consensus and probes the history of organized campaigns designed to create public doubt and confusion about science. Series: "Perspectives on Ocean Science"

(Movie Trailer) The absolute top of the earth is a place few try to reach on foot. Even fewer succeed. With the vast arctic ice vanishing rapidly, photographer, extreme adventurer, and

(Movie Trailer) The absolute top of the earth is a place few try to reach on foot. Even fewer succeed. With the vast arctic ice vanishing rapidly, photographer, extreme adventurer, and environmental advocate Sebastian Copeland sets out to reach the North Pole on the centennial of Admiral Peary's reach in 1909. This inspiring documentary follows their tumultuous two-month trek—not just through piercing cold and merciless terrain, but straight into the depths of the soul. Visit the film site to buy the DVD.

It will give you the chills and, at the same time, help support the SEDNA Foundation and Global Green USA.

Peak Moment 26: Author Guy Dauncey's lively, optimistic solutions for Peak Oil and climate crisis are do-able here and now. Conservation, efficiency, proven technologies, and emerging

Peak Moment 26: Author Guy Dauncey's lively, optimistic solutions for Peak Oil and climate crisis are do-able here and now. Conservation, efficiency, proven technologies, and emerging innovations will take us through this critical planetary energy transition. More information on this segment. Guy Dauncey is author of Stormy Weather: