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1.

World in the Balance

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In Japan, Europe and Russia, birth rates are shrinking and the population is aging. In parts of India and Africa, more than half of the still growing population is under 25. The world population is now careening in two dramatically different directions.
VHS
2004
Ivy (By Request)
2.

The Southern Appalachians: A Changing World

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Explains the historical geological events that influenced the landscape, climate, soils, minerals, and biological species that we see today in the Southern Appalachian Mountains and the Blue Ridge Mountains region.
VHS
2001
Ivy (By Request)
3.

State of the Planet

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Deforestation, global warming, depletion of aquifers, rising sea levels, and mass extinctions--how much longer can Earth compensate for these damaging forces? In this timely three-part series, David Attenborough and some of the world's leading experts on environmental matters consider probably the most important issue of the 21st century: the future of life on this planet.
VHS
2001; 2000
Ivy (By Request)
4.

The Joy of Science: Part IV

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"These lucid, information-packed lectures convey the excitement of scientific discovery and trace the connections between discoveries over time. In this course, veteran science educator Robert Hazen renders the most complex ideas simple and memorable, without ever being simplistic"--www.teach12.com.
VHS
2001
Ivy (By Request)
5.

The Living Machine [electronic resource]: Plate Tectonics

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Explores the theory of plate tectonics, one of the most important discoveries of the 20th century. Visits locations such as the erupting Kilauea volcano and the bottom of the Atlantic Ocean to illustrate the concepts of the theory.
Online
1985
6.

The Blue Planet [electronic resource]

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Presents new revelations about the oceans, the last unexplored frontier on earth, from space by scientists aboard the space shuttle and by scientists diving to the depths of the middle ocean to examine rare life forms. Covers cycles of weather, aquatic weather, the Gulf Stream, concentrations of plankton and coral reefs. Introduces technological innovations that are used in studying the ocean and its creatures.
Online
1986
7.

The Climate Puzzle [electronic resource]

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Explores the science of climatology and what the past ice age discloses about past and future climatic conditions. Investigates a primitive organism in Antarctica and what ancient ruins inform scientists about past climates. Discusses how scientist study sea cores, Antarctic ice and glaciers. Addresses the increase of carbon dioxide and uses Venus and Mars to demonstrate how changes in it can affect climate. Warns how increased warming can affect sea level, and how the destruction of forests have created an explotion of termites who in turn are contibuting to global warming by releasing methane in the atmosphere.
Online
1986
8.

Tales From Other Worlds [electronic resource]

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Investigates the importance of meteors in the Earth's ancient history. Examines the meteor sites in Antarctica and Arizona to show how bodies from space affected the earth's surface. Travels to Venus to explore why it is so hot and compares it to an early earth. Visits Mars and discusses the probability of life on that planet. Shows volcanic activity on Jupiter and the far reaching cloud of comets. Presents the asteroid theory as the cause of dinosaurs' extinction.
Online
1986
9.

Gifts From the Earth [electronic resource]

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Explains how the theory of plate tectonics has revolutionized the search for the earth's mineral and energy sources. Examines the formation of mineral deposits, their interest and importance to humanity, and the methods by which they are extracted from the earth. Explores black smokers (hot springs), soil and food, the formation of fossil fuels and oil production. Questions how long the earth's resources will last.
Online
1986
10.

The Solar Sea [electronic resource]

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Discusses the symbiotic relationships of the earth to the sun. Investigates an 800-million-year-old rock record of sun activity in an ancient Australian lake bed, sun spots, solar wind and the aurora borealis. Covers ancient interest in the sun, ancient instruments and how ancient accounts depict real events. Shows how solar oscillations may reveal secrets of the sun's interior.
Online
1986
11.

Down to Earth [electronic resource]

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Surface conditions of the planets Venus and Mars are compared with those of Earth, and scenes of Earth's living landscapes lead into a discussion of how unique Earth truly is. Major topics addressed in the series, including plate tectonics, natural resources, seismology, and erosion, are introduced in this program.
Online
1992
12.

The Restless Planet [electronic resource]

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Reveals that early Greek astronomers believed that Earth was the center of the universe but this notion changed dramatically over time, especially after the invention of the telescope. Traces the development of astronomical theory with discussions of the discoveries of Copernicus, Galileo, Kepler, and Newton. Unique characteristics of Earth are also discussed.
Online
1992
13.

Earth's Interior [electronic resource]

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Introduces the topic of geophysics, exploring methods of studying what lies beneath Earth's surface. Geophysicists use seismic wave studies, variations in temperature, magnetic fields, gravity, and computer simulations to create models of deep structures.
Online
1992
14.

The Sea Floor [electronic resource]

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Looks at the research by submersibles and indirect methods used to study the bottom of the sea, providing a glimpse of volcanic activity, formations such as the continental shelf and mid-ocean ridges, and life forms that thrive at extreme depths.
Online
1992
15.

The Birth of a Theory [electronic resource]

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Traces the development of plate tectonics, beginning with the contributions and methods of geologist Alfred Wegener. Sea-floor spreading, continental drift, paleomagnetism, and the primordial supercontinent Pangaea are some of the topics covered.
Online
1992
16.

Plate Dynamics [electronic resource]

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Examines the movement and interaction of tectonic plates, which account for a vast array of geologic formations and phenomena, from California's San Andreas Fault to the Rift Valley of eastern Africa. Topics include convergent boundaries, subduction, hotspots, and the debate over what drives plate motion.
Online
1992
17.

Mountain Building [electronic resource]

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Destroys the myth of the mountain as a solid, permanent structure. Animations are used to illustrate the process of orogeny (mountain building) through accretion and erosion, as well as the role of plate tectonics, the rock cycle, and how different types of rock are formed in the course of mountain building.
Online
1992
18.

Earth's Structures [electronic resource]

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A visit to the Grand Canyon lays the foundation for this exploration of rock layers and deformation. Topics include sedimentation, major structures, the methods used to examine them, and how petroleum may be trapped inside rock layers. The program also looks at tectonic force and the different types of stress involved in the formation of geologic structures.
Online
1992
19.

Earthquakes [electronic resource]

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Showing actual footage of earthquakes and their aftermath, discusses the forces that fuel these massive events. Faults, waves, and the transfer of energy from the epicenter are explained, and histories of the seismograph and Richter scale are presented. The program also describes devices being developed to study and eventually predict earthquakes.
Online
1992
20.

Geologic Time [electronic resource]

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To illustrate the immensity of geologic time, the entire span of Earth's existence is compressed down to a year. The timeline of major geologic events is superimposed onto the year for a condensed view of Earth's evolution. A relationship between this timeline and that of life on Earth is established, with fossils and radiocarbon dating playing a major role in the discovery
Online
1992