Science

"We can choose to live on a depleted planet or we can choose to live on a rich, biologically diverse, more stable planet' proposes Dr. Mathis Wackernagel, co-creator of the Ecological Footprint. He suggests that an essential step in avoiding depletion is to track ecological assets, allowing us to make more informed choices.

A documentary without narration that explores how water and the ownership and control of water figure into community resistance to corporations rapidly buying up local water supplies. Examines the environmental and human rights issues associated with governments and companies making the world's fresh water supply into a commodity at the expense of local communities.

On April 25, 1953, James Watson and Francis Crick published their groundbreaking discovery of the double helix structure of DNA, the molecule essential for passing on our genes and the ''secret of life.'' But their crucial breakthrough depended on the pioneering work of another biologist–Rosalind Franklin.

How did the universe, our planet, and life begin?

Who would have predicted that a hot spot left over from the Big Bang would eventually lead to our galaxy, the solar system, the Earth—and to us? Origins explores how the universe and our planet began amid chaos and eventually gave birth to the first stirrings of life.

Power Play Series: Part 1

Power Play Series Part 2

When man made the first primitive tools that helped him to shape and control his surroundings he discovered an important secret - the value of energy. It would give him power to develop an entire world.

Power Play Series Part 3

The western world has built its affluence on fossil fuels. Our addiction to coal and oil is no longer healthy neither for mankind nor the planet. So the question is, how do we replace fossil fuels?

Nuclear power produces almost a fifth of the world's electricity. Supporters say it's safe, cheap and - best of all - the answer to global warming. Critics say it's not safe or cheap, and it won't really help with the global warming problem. So who's right? This program presents the arguments for and against, with relevant background information.

The Ross Sea, Antarctica is the most pristine marine ecosystem on Earth. Scientists describe it as a 'living laboratory', a place that can teach us about the workings of all marine ecosystems. But the fishing industry recently found its way to the Ross Sea, targeting Antarctic toothfish and, unless fishing is stopped, the natural balance of the Ross Sea will be lost forever.

Humans have long regarded the world's oceans as vast and inexhaustible. Now, we have learned otherwise.

There is a revolution happening in the farm fields and on the dinner tables of America, a revolution that is transforming the very nature of the food we eat. THE FUTURE OF FOOD offers and in-depth investigation into the disturbing truth behind the unlabeled, patented, genetically engineered foods that have quietly filled grocery store shelves for the past decade.

It was hailed by the New York Times as "surgery of the soul," a groundbreaking medical procedure that promised hope to the most distressed mentally ill patients and their families. But what began as an operation of last resort was soon being performed at some fifty state asylums, often with devastating results.