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Seasons
26. Earth
April 4, 2011
The Earth is rich and varied in its complexity. It is unique in its narrow range of temperatures, its sustaining atmosphere and its circulating oceans.
25. Climate Change
April 4, 2011
Across the world, a series of extreme weather events are affecting local conditions in a variety of ways. Some areas are getting drier and hotter while others are getting wetter, as floods are becoming more frequent and more extreme.
24. Space
April 4, 2011
Since the advent of robotic space probes we have understood more about our solar system's planets and their moons than we had learned during all previous human history.
23. Mountain
January 1, 2006
This series examines the impact of extremes in nature have on the environment and vice versa and observe the changes our planet has endured through the passage of time. This is fantastic family viewing at an environmentally crucial time.
22. Extinction
April 4, 2011
Most biologists agree that the planet is going through a rapid extinction phase caused by the effects of human degradation of the biosphere. Many species have disappeared, while many more are on the edge of extinction.
21. Lake
April 4, 2011
Two lakes systems - North America's Great Lakes and Russia's Lake Baikal - account for more than 50 percent of the Earth's fresh surface water.
20. Island
April 4, 2011
Island populations can develop in special ways. Islands in the deep ocean, especially, can have very peculiar characteristics.
19. Earthquake
April 4, 2011
The earth's surface is made up of a number of interconnecting tectonic plates. Stresses from deep within the planet cause these plates to buckle or to slide past each other.
18. Wilderness
April 4, 2011
Wilderness areas are islands of nature in a world changed by humanity.
17. River
April 4, 2011
Rivers are an integral part of the water cycle, where fresh water, falling as rain or snow, flows to the oceans. All plant and animal life depends on this cycle.
16. Mars
April 4, 2011
We do not know if life has evolved outside our own planet. With a rocky surface and gravitational strength similar to Earth's, Mars seems like a good place to look.
15. Fire
April 4, 2011
Every year, wildfires strike across the world. Some are so intense, experienced firefighters can do nothing to stop them.
14. Storm
April 4, 2011
A pattern of increasing severity of storms is already being recorded, and, in the 21st century, temperatures are predicted to rise by around 3°C.
13. Drought
April 4, 2011
When the rains fail for extended periods, agriculture suffers, and populations depending on locally grown crops suffer as well.
12. Reef
April 4, 2011
Like so many of earth's complex eco-systems, coral reefs are under stress - threatened by overfishing, pollution, and increased levels of carbon dioxide that are making the oceans slightly more acidic.
11. Glacier
April 4, 2011
Around the world the rivers of ice we call glaciers are in retreat. Glacial ice contains most of the planet's fresh water, and its disappearance is changing the nature of regional water supplies.
10. Urban
April 4, 2011
Cities emerged with human civilization. But with so many people living in such close proximity, a city's infrastructure must work well, as overcrowding can cause great stress.
9. Forest
April 4, 2011
Forests are carbon sinks - by taking carbon dioxide out of the atmosphere they contribute to climate stability. Widespread deforestation is threatening this balance.
8. Tropic
April 4, 2011
The tropical world features an abundance of different environments, all of them vital to the balance of life.
7. Sun
April 4, 2011
The sun is our planet's source of energy and the dominant factor in our environment.
6. Flood
April 4, 2011
Increasingly all over the world, torrential flood waters are washing away roads and devastating homes and businesses.
5. Volcano
April 4, 2011
Volcanic eruptions can send plumes of ash and smoke high into the stratosphere, with highly damaging and disruptive consequences.
4. Atmosphere
April 4, 2011
Our planet is covered by a vast ocean of air - a layer of gasses that supports all life on earth.
3. Ice
April 4, 2011
The frigid zones play a vital role in the planet's climatic system in ways we are only just beginning to glimpse.
2. Desert
April 4, 2011
Some parts of our planet receive so little rain they can only support specially adapted plants and animals.
1. Ocean
April 4, 2011
Seventy percent of the planet's surface is covered by oceans, and, thanks in part to global warming, they are changing rapidly.
Description
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Channel
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Premiere DateApril 4, 2011
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MyFreeDIRECTV is a new free premium TV experience.
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Enjoy a curated selection of popular free live channels and On Demand library.
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