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"Glaciers is a volume about the role glaciers play in our daily lives (often without us knowing), the risks posed to glaciers from natural and anthropogenic activity (including climate change and industrial pollution), and policies and practices that should be employed to protect this fundamental hydrological reserve"--
Though not traditionally thought of as strategic natural resources, glaciers are a crucial part of our global ecosystem, playing...
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Dirt, soil, call it what you want--it is the root of our existence, supporting our feet, our farms, our cities. In this natural and cultural history of soil that sweeps from ancient civilizations to modern environmental calamities, earth scientist Montgomery explores the idea that we are--and have long been--using up Earth's soil. Once bare of protective vegetation and exposed to wind and rain, cultivated soils erode bit by bit, slowly enough to be...
5) Fire
Description
Dr. Helen Czerski examines two of the hottest natural phenomena on Earth: lightning and volcanoes. More than 3 million lightning bolts strike the planet each day, each 5 times hotter than the surface of the sun and carrying millions of volts of electricity. It kills many thousands of people each year and many more are severely injured. Exactly how lightning works is only just being uncovered. Super-slow motion cameras, filming at several thousand...
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This episode of The Green Interview features David Montgomery, a geomorphologist-a scientist who studies the forces that shape the landscape. His two books, one on soil and the other on salmon are, he says, "parallel stories of decline linked by the fact that one of the main forces shaping the landscape is you and me." Montgomery is the author of Dirt: The Erosion of Civilizations, in which he argues that conventional agriculture, characterized by...
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"Against the Tide offers a passionate yet evenhanded account of the crisis facing America's beaches - and what we must do to protect them." "With harrowing accounts of natural disasters, lucid explanations of the physics of the beach and coastal ecology, reports of unwise construction, and a clear-eyed elucidation of public policy and conservation issues, this book illustrates in rich detail the conflicting interests, short-term responses, and long-term...
Description
The rising temperatures of global climate change are melting the world's ice. Most notable are the shrinking ice sheets of Greenland and western Antarctica, which have shown dramatic loss in recent years. Travel with this science bulletin to the glaciers of Greenland and to fossilized coral reefs of the Florida Keys, where earth scientists are studying geologic records of past warming to predict future ice loss and associated sea level rise.
Description
In part 1 of this tool kit for Visions of Earth series, eight different different scientists show and describe their field work and geoscience research. Developed by the American Geosciences Institute, this program provides an essential and well-tested tool for teaching and learning about our planet. Produced by American Geosciences Institute.
11) Visions of Earth
13) Geocycles
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Planet Earth is an amazing machine, and we-and our future-are riding on it. This video introduces students to the Earth system's primary interacting subsystems (the biosphere, geosphere, hydrosphere, and atmosphere); the nitrogen, carbon, and water cycles; and three surface processes: weathering, mass-wasting, and erosion. The greenhouse effect, the impact of acid rain on the environment, and diminishing freshwater resources around the world are considered...
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This introductory text aims to help students understand the behaviour of soils in the man-made and the natural environment. It is structured in two parts: Part A is an introduction to general soil properties and processes, whilst Part B considers soil in relation to the environment.
Description
No matter where on Earth, the one human activity that consumes the most water is the one that wastes the most: agriculture. From locations around the world, this program surveys both disasters of agricultural irrigation, such as cotton farming in Uzbekistan, and innovative successes in water-efficient techniques and crops, such as in California and India. Numerous examples illustrate the destructive effects of deforestation and overgrazing, the difficulty...
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