Can technology help us tame nature’s most violent tornadoes? Little on this earth can withstand the violent fury of an F5 tornado. A churning vortex with winds over 300 miles an hour, these tornadoes create immense swaths of death and destruction in a matter of seconds. But today, experts are exploring the supertwister’s complex inner [...]

In 1995, the first gray wolves were transported from Alberta, Canada to Yellowstone National Park, to repopulate the sprawling landscape with the species, absent for more than 70 years. The following year, a second wave of wolves was brought to the park from British Columbia, Canada; five of them were released together, and they were [...]

What lies below the frozen Arctic ice-sheets? Or in the black holes under the Caribbean Sea? The oceans are Earth’s single most important feature. They shape our climate, our culture, our future. Yet we know more about the surface of Mars than we do about Earth’s watery depths. Explorer Paul Rose leads a team of [...]

The Green Apple. David Owen, a writer for The New Yorker, discusses the complex issues of sustainability as they relate to urban and suburban life. “Green Manhattan,” an article that Owen wrote for The New Yorker about the city’s inherent sustainability, was a major inspiration for the e² series. Green for All. Learn more about [...]

Building Green is pioneering and entertaining television with an eco-friendly twist, on a mission is to inspire viewers to discover just how easy, cost-effective and healthy it can be to go green, and to dispel myths about environmentally-conscious lifestyles. Host Kevin Contreras leads an interactive exploration of green building techniques and alternatives, from the eye-popping [...]

Suggested By: confusedmime Ron Mann investigates the miraculous, near-secret world of fungi. Visionaries Gary Lincoff and Larry Evans lead us on a hunt for the wild mushroom and the deeper cultural experiences attached to the mysterious fungi. The oldest and largest living organisms recorded on Earth are both fungi. And their use by a new, [...]

The Cove begins in Taiji, Japan, where former dolphin trainer Ric O’Barry has come to set things right after a long search for redemption. In the 1960s, it was O’Barry who captured and trained the 5 dolphins who played the title character in the international television sensation “Flipper.” But his close relationship with those dolphins [...]

Every so often a giant emerges on the stage of science, someone who transcends the narrow boundaries of a particular line of research and alters our perspective on the world. E.O. Wilson is such a man. Ant expert E.O. Wilson has spent his career studying tiny creatures. Yet what sets him apart is his ability [...]

What 29,000 Lost Toys Have Told Us About Our Oceans? Our oceans sure look pretty from afar, but if you take a closer look, you’ll find plenty of gross stuff lurking around. There are as many as 46,000 pieces of plastic floating in each square mile of ocean, threatening the health of our seas, especially [...]