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1) Climate Wars
Description
As we entered the 21st century, the world was guzzling oil, coal and gas like never before. In this concluding episode, Iain Stewart argues we face a stark choice. Do we continue feed our addiction - suck Planet Oil dry - and risk catastrophic climate change, or do we go hell for leather for alternative energy sources; nuclear, renewables, to make the transition from our fossil fuel past to a low carbon future. In which case, how do we make that shift?...
Description
Leonard Nimoy narrates this wide-ranging documentary on hydrogen-based energy solutions in the United States and around the world-including systems that are fully operational as well as those currently in development. Visiting China, Germany, Iceland, and other countries, the program examines the PEM fuel cell and equipment that incorporates fuel cell technology, avoiding fossil fuel consumption and utilizing clean, renewable hydrogen. This dynamic...
Description
This program demonstrates how wind turbines, solar cells, hybrid automobiles, and coal gasification plants are beginning to transform the way the world is powered. The U.S. Secretary of Energy, the director of the National Wind Technology Center, the CEO of Enron Wind Corporation, representatives of Worldwatch Institute and the National Renewable Energy Laboratory, and others discuss the challenge of satisfying the rapidly increasing global demand...
Description
For the remodeler embarking on any home renovation-particularly one where improved sustainability and energy efficiency is a goal-it's essential to first assess the current performance of the house and all its systems. This video takes viewers through a home performance audit and shows how insights into the thermal envelope, energy footprint, and structural soundness can guide the remodeler and homeowner through the first steps toward creating a greener...
Description
Access to affordable, sustainable energy supplies is a growing concern around the world. This program looks at successful enterprises that are providing some renewable energy solutions. In Scotland, small-scale turbines put wind power within the reach of domestic users. In Sweden, the world's first train to be run solely on biogas has been developed. In Nepal, biogas stoves are improving the quality of life in many ways. And in India, agricultural...
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The world demand for energy by 2020 will be much greater than it is today. Can we meet the demand? All energy sources will be needed but oil will dominate. Production will move into deeper waters and more remote places, which means longer pipelines. Even if reserves are found, concerns for the environment may prevent their use. Sheikh Yamani, Chairman of the Centre for Global Energy Studies; the Chairman of Shell Oil; the Secretary General of OPEC;...
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In India a new generation is enjoying the luxury of air conditioning, not just at home, but in the thousands of commercial buildings that have sprung up in the flourishing economy. With its increased energy needs India is now spewing more greenhouse gases than almost every other country-and yet there still isn't enough electricity to meet the demand. This program examines India's energy shortage and the sustainable alternatives being employed to address...
8) Earth energy
Description
Known for his revolutionary home and appliance designs as well as his foot-launched aircraft, inventor Bill Lishman has repeatedly put the concept of renewable energy into practice. This program documents Lishman's journey around the globe in search of sustainable forms of power generation. At Niagara Falls, Lishman discovers the rich history of hydroelectric production, then travels to Iceland to study advanced geothermal energy facilities. Denmark's...
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Environmental laws passed in California under Governor Arnold Schwarzenegger regulate greenhouse gas emissions and perpetuate the state's reputation for environmental leadership across the country. This program inquires: Could California's progressive energy policies spearhead a nationwide shift toward cleaner and more sustainable energy? Could they potentially alter the approach to environmental stewardship taken by governments around the globe?
11) Hydrogen Hopes
Description
Hydrogen may be the fuel of the future, but what would it take to safely and efficiently make the transition from fossil fuels? In this program from the Scientific American Frontiers series, host Alan Alda takes a look at two ways to use the Sun's energy to extract hydrogen; meets with Stan and Iris Ovshinsky, inventors of a hydrogen storage method involving a solid metal alloy; and makes a visit to Iceland, the country farthest along in abandoning...
Description
Using numerous examples to show how a very important phenomenon occurs and serves various purposes, this fascinating program takes students on a lively journey through the mechanisms and practicalities of heat transfer. Viewers are introduced to conduction, convection, and radiation and encounter the concepts of specific heat and thermal capacity. Topics include the use of heat in power stations to generate electricity; how various states of matter...
Description
Is it too late to rethink our relationship with the automobile? Hosted by University of Alberta professor Brian Fleck, this program investigates recent developments in alternative fuels and car design. In Italy, MIT students Robyn Allen and Anna Jaffe, cofounders of the Vehicle Design Summit, present their prototype-a plug-in hybrid designed for the congested streets of India. Then, Jeremy Snyder of Tesla Motors explains the technology behind their...
Description
In 2006, Muhammad Yunus and Grameen Bank were awarded the Nobel Peace Prize for work with grassroots economic and social development. But micro-credit isn't Yunus's only focus. Recognizing the importance of energy as a factor in economic growth, he started Grameen Shakti, a nonprofit company that develops and promotes renewable energy technologies. This program follows its activities in remote areas of Bangladesh, where it helps provide rural households...
Description
Powering houses and heating water in more energy efficient, sustainable ways is an important component of many remodeling projects. Whether it's through the use of passive or active solar technologies, wind, or other renewable power sources, today's remodelers need to understand the basics of green power so they can guide their clients toward smarter choices and then integrate these technologies into a home in the most intelligent way. Green Power,...
Description
The ocean tides offer a clean and renewable energy source that can reduce reliance on fossil fuels. This Science Screen Report shows how Earth's tides are formed, illustrates their relationship to the Moon's gravitational forces, and explains how these principles can be applied to the construction of underwater turbines. The program also explores efforts to reduce the environmental impact of dams that are essential in the operation of undersea power...
Description
Nearly 70 percent of America's oil is consumed by cars. Can efficient automobile design mitigate the resulting environmental damage? This program explores technological solutions that can reduce the ecological impact of America's love affair with the internal combustion engine. General Motors unveils the Volt, a super-hybrid vehicle, along with the fuel cell-powered Sequel, while technology firm Fiberforge shows off the latest in ultra-light materials...
Description
In response to the oil crisis of the 1970s, Brazil created a domestic ethanol industry that is now thriving on all levels-from production to distribution at gas stations to nationwide adoption of flex-fuel cars. As a result, Brazil has become energy self-sufficient as a nation. This program examines what America can learn from Brazil's agri-industrial success and asks: is the system really applicable outside Brazil and to what degree can the rest...
19) Renewable fuels
Description
Besides the well-documented ecological harm that fossil fuels inflict, they have another drawback: our planet is running out of them. What will we use in their place to heat our homes, power our vehicles, and light our cities? This program studies the problem of energy resource depletion and explores potential solutions appearing around the world. Graphically illustrating the "deadlines" at which coal, oil, and natural gas supplies are expected to...
Description
Due to population, technology, and other factors, the emerging global generation is the most power-hungry that has ever lived. This program reveals how energy is harnessed today from wind, the sun, and the heart of the atom, and how these sources might be further utilized in years to come. Viewers learn how, in past centuries, the drive for new sources of power was linked to profit, with ideas and inventions creating fortunes and shaping the course...
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