In early human history the environmental impacts of small bands of hunter-gatherers would have been relatively small, even though the use of fire and the desire for specific foods may have altered the natural composition of plant and animal communities. The Neolithic Revolution 2,500 to 10,000 years ago marked the emergence of agriculture and settled [...]
Fossil Fuels
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The research being done can be split up into a series of approaches: * The approach of the photoelectrochemical cell * The approach of the dye-sensitized solar cell * The approach of the NADP+/NADPH Coenzyme Photoelectrochemical cell Research is being done into finding catalysts that can convert water, carbon dioxide, and sunlight to carbohydrates. For [...]
In 2005, Moore criticized what he saw as scare tactics and disinformation employed by some within the environmental movement, saying that the environmental movement “abandoned science and logic in favor of emotion and sensationalism.” Moore contends that for the environmental movement “most of the really serious problems have been dealt with”, seeking now to “invent [...]
carbon tax is an environmental tax that is levied on the carbon content of fuels. Carbon atoms are present in every fossil fuel (coal, petroleum, and natural gas) and are released as carbon dioxide (CO2) when they are burnt. In contrast, non-combustion energy sources—wind, sunlight, hydropower, and nuclear—do not convert hydrocarbons to carbon dioxide. A [...]
Technologies of hydrogen economy, batteries, compressed air energy storage, and flywheel energy storage address the energy storage problem but not the source of primary energy. Other technologies like fission power, fusion power, and solar power address the problem of a source of primary energy but not energy storage. Vegetable oil addresses both the source of [...]
After the Veggie Van tour, Tickell wrote his first book, ”From the Fryer to the Fuel Tank – The Complete Guide to Using Vegetable Oil as an Alternative Fuel”. His second book is titled ”Biodiesel America: How to Free America From Oil and Make Money with Alternative Fuel”. The book examines the status quo of [...]
Potential energy is energy that is stored within a system. It exists when there is a force that tends to pull an object back towards some lower energy position. This force is often called a restoring force. For example, when a spring is stretched to the left, it exerts a force to the right so [...]
The first commercial flexible fuel vehicle was the Ford Model T, produced from 1908 through 1927. It was fitted with a carburetor with adjustable jetting, allowing use of gasoline or ethanol, or a combination of both. Other car manufactures also provided engines for ethanol fuel use. Henry Ford continued to advocate for ethanol as fuel [...]
Lamont-Doherty Earth Observatory (LDEO) Lamont-Doherty Earth Observatory was established in 1949 and is a world-class research institution specializing in the Earth sciences. LDEO conducts research on all aspects of the planet both above and below ground, on land and sea, with topics that include earthquakes, volcanoes, global climate change, resources, and environmental hazards. The current [...]
The environmental movement emphasizes sustainability of energy use and development. Renewable energy is sustainable in its production; the available supply will not be diminished for the foreseeable future – millions or billions of years. “Sustainability” also refers to the ability of the environment to cope with waste products, especially air pollution. Sources which have no [...]
Soft energy paths Amory Lovins advocates “soft energy paths” involving efficient energy use, diverse and renewable energy sources, and special reliance on “soft energy technologies”. Soft energy technologies are those based on solar, wind, biofuels, geothermal, etc. which are matched in scale and quality to their task. Residential solar energy technologies are prime examples of [...]
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