A group of scientists are sent on a mission to destroy unstable planets. Twenty years into their mission, they have to battle their alien mascot as well as a "sensitive" and intelligent bombing device that starts to question the meaning of its existence.
Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their young. They walk, marching day and night in single file 70 miles into the darkest, driest and coldest continent on Earth. This amazing, true-life tale is touched with humour and alive with thrills. Breathtaking photography captures the transcendent beauty and staggering drama of devoted parent penguins who, in the fierce polar winter, take turns guarding their egg and trekking to the ocean in search of food. Predators hunt them, storms lash them. But the safety of their adorable chicks makes it all worthwhile. So follow the leader... to adventure!!
In 1980, the eruption of Mount St. Helens leveled 230 square miles, sent 540 million tons of ash and volcanic rock twelve miles into the air, and blasted one cubic mile of earth from the crest of the Cascade Mountain Range. Illustrates the terrifying fury of the most destructive volcanic disaster in American history through aerial photography and survivors' own words. Shows examples of nature's plant and animal recovery seventeen years later.
A look at the state of the global environment including visionary and practical solutions for restoring the planet's ecosystems. Featuring ongoing dialogues of experts from all over the world, including former Soviet Prime Minister Mikhail Gorbachev, renowned scientist Stephen Hawking, former head of the CIA R. James Woolse
Migration is one of the great phenomena of the natural world. When it’s time to move some take to the skies or the oceans, but the migrants we know best are found in the awe-inspiring herds running across our planet.
A magic realist fable about invisible elves, financial collapse and the surprising power of belief, told through the story of an Icelandic woman - a real life Lorax who speaks on behalf of nature under threat.
An examination of the extinction threat faced by frogs, which have hopped on Earth for some 250 million years and are a crucial cog in the ecosystem. Scientists believe they've pinpointed a cause for the loss of many of the amphibians: the chytrid fungus, which flourishes in high altitudes. Unfortunately, they don't know how to combat it. Included: an isolated forest in Panama that has yet to be touched by the fungus, thus enabling frogs to live and thrive as they have for eons.
Documentary following researchers as they try to take the first-ever picture of a black hole. They must travel the globe to build a revolutionary telescope that spans planet Earth.