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Power from Trees

Tree Power Currently a team of MIT researchers are using platinum electrodes and ficus plants to discover the truth of feeble electric currents from trees. They have come up with an answer. They state that the pH difference between the soil and the living tree is the cause of creating electric currents. Now scientists are debating over how to use this power source for human benefits. View Comments


Thermoelectric Materials Can Increase Energy Efficiency

Thermoelectric Material It seems humans are facing the biggest challenge of the century i.e. to solve energy crisis. We are running the risk of exhausting fossil fuel reserves. Scientists all over the world are working hard to solve this problem. Researchers at the University of Arhus, Riso-DTU and the University of Copenhagen are banking heavily on properties of thermoelectric materials, which is of great importance for their practical application. This material turns heat into electricity more efficiently than anything available today. View Comments


Alternative Fuel in the Aviation Industry

Alternative Fuel Aviation While alternative fuels are being heavily studied for automobiles, we’re now seeing a push from a different direction. The aviation industry has taken an intense interest in the subject, and this might be enough to push biofuels over the edge into economic viability. The aviation industry produces only about one-ninth as much carbon dioxide as motor vehicles do. However, environmentalists are vocal about emissions from aviation, because they tend to go into the upper atmosphere, where some scientists say the impact is greater. Plus, the industry is growing quite rapidly. View Comments


Low-emission Engines for Future Hybrids

Future Hybrids China is one of the most polluted countries in the world. But they are not unaware of the ill effects of the excessive use of fossil fuels. They are paying attention to lessening the environmental effects of the poisonous gases. China is making rapid strides towards clean energy and investing considerable time and talent in new researches regarding green energy. They are working on a new type of internal combustion engine. Researchers in China are developing and using a new and more accurate computer model to assess performance of the free-piston linear alternator (FPLA). View Comments


Artificial Trees to Produce Alternative Energy

Artificial Trees A big problem with producing alternative energy is that it takes up lots of land, resources and money to produce little alternative energy. Vast acreage is needed if an alternative energy production plant wants to compete with conventional energy producing plant, let us say to produce, hundreds of megawatts of energy. This is a big hurdle in the way of constructing large-scale solar power plants. The production of solar energy is only feasible at places where the real estate is not costly, or the rooftops of buildings and houses can be used to lay down solar power generation equipment. View Comments


Waste as a Renewable Energy Source

Waste Energy Source The enormous increase in the quantum and diversity of waste materials generated by human activity and their potentially harmful effects on the general environment and public health, have led to an increasing awareness about an urgent need to adopt scientific methods for safe disposal of wastes. While there is an obvious need to minimize the generation of wastes and to reuse and recycle them, the technologies for recovery of energy from wastes can play a vital role in mitigating the problems. Besides recovery of substantial energy, these technologies can lead to a substantial reduction in the overall waste quantities requiring final disposal, which can be better managed for safe disposal in a controlled manner while meeting the pollution control standards. View Comments


Bacteria Could Power the Future

Bacteria Power Everyday alternative energy scene is garnering bigger and important space in newspapers and industrial lives. People are feeling the need for greener energy and cleaner environment. Some researchers are focusing their attention on one of the ancient living organisms, the cyanobacteria. View Comments


Geos – First Fossil-Fuel-Free Community

Geos Community When it comes to eliminating the use of fossil fuels, why just keep setting percentages and meeting partial goals; why not create social environments that are totally fossil-fuel-free? A community in Colorado intends to achieve exactly that – it’s going to be the world’s first fossil fuel free community. Most of its energy demands will be met from the earth and the sun. The community, called Geos, will be spread over an area of 25 acres, bordered on the West by the Croke Canal, and on the South by Ralston Creek. View Comments


Comparison of Innovative Tranportation Technologies

Transportation Technologies Jerry Schneider has put together a comprehensive list of more than 100 ready and emerging alternative transportation technologies. The alphabetical list includes a link to each project's homepage, as well as a comparison table with the location and status of each. The emerging technologies listed have been self-evaluated by the inventors/developers of that technology, as of mid-2008. We've found this to be an invaluable resource and highly recommend it for anyone doing research into new transportation technologies. View Comments


Turning Airborne Carbon Into Fuel

Carbon Fuel We are already experiencing the ill effects of greenhouse gases in the form of global warming, glaciers and polar ice melting, rise in the sea level and sudden, unpredictable variation in weather, turning catastrophic sometimes. The eventual effect of global warming is sending a chill down the spines of environmentalists. Several teams of researchers are working overnight on carbon capture technology. It intends to remove undesirable amount of carbon dioxide, the main culprit in global warming, from the atmosphere. View Comments


Floating Solar Island Concept

Solar Island Remember the Solar Lily Pads? Well, Swiss inventor Thomas Hinderling has taken that idea to the next level with his solar islands concept (check out the video). The 5km wide, 20m height island concept would be mobile and would adjust according to the sun's movement across the sky. Each island would generate hundreds of kilowatts of electricity that would be almost five times cheaper than current electricity rates. A company called CSEM is financing construction of a prototype this year in the United Arab Emirates, and they are hopeful that full production of these islands could begin as soon as 2011. View Comments


Ultima Tower – Future City Concept

Ultima Tower Eugene Tsui has designed a concept city called The Ultima Tower that would help solve the global population crisis. Acting as a human termite nest, and costing $150 billion, these two mile high green towers would house over one million people in a one mile wide area. Instead of floors, the building's interior would consist of a multi-dimensional ecosystem complete with neighborhood districts and 30-50 meter high skies. Lakes, streams, rivers, hills and ravines comprise the soil landscape on which residential, office, commercial, retail and entertainment buildings can be built. View Comments


Is Nuclear Energy a Viable Solution?

Nuclear Energy The word "nuclear energy" always inspires awe, and sometimes fear, because we always associate terms like "nukes" and "radiation" when we talk about something nuclear. But it is not as ominous as it sounds and in fact, for some countries it is a major source of energy. 75% of energy in France is generated by nuclear power and even in the United States, 19% of electricity is derived from nuclear energy. View Comments


Poll: What is Your Favorite Energy Source?

Renewable Energy Our recent polls on biofuels and solar energy have shed some interesting light on the public's opinion of these energy sources. So far, it looks like a majority people believe solar energy has great potential as an energy source, while opinions about biofuels are split almost 50/50. If you browse through our articles you'll notice many more opinion polls posted at the bottom of each of our articles on topics like tidal energy and more controversial issues like geo-engineering. While all of these polls are great, we thought we'd dedicate a post to finding out just which energy technologies people are most excited about. View Comments


Why Solar is the Best Energy Solution

Solar Energy The amount of energy the sun sends towards our planet is 35,000 times more than what we currently produce and consume. Some part of this energy -- better known as solar radiation -- is reflected back into space but a lot of it is absorbed by the atmosphere and other elements surrounding the inner atmosphere. This energy can be easily harnessed for practical purposes such as heating homes, lighting bulbs and running automobiles and even airplanes. The uses can be as varied as the uses of energy itself. And the great thing is that we are never going to run out of this massive energy resource even for thousands and thousands of years. View Comments


Biotechonomy: Can We Grow Energy?

Energy Crop Today's TED Talk is brought to us by Juan Enriquez, chair and CEO of Biotechonomy, and an authority on economics and the political impact of science. Enriquez proposes that we look at 'growing energy' by accelerating the biological processes that produce fuel crops. He believes increased agricultural productivity and energy production can be achieved by understanding the role biology plays in producing traditional fuel sources like coal and oil. He also argues that we should stop extracting energy with 'brute force' and start using biological science and technology to process crude fuel sources in a sustainable way. View Comments


Wind Powered Rotating Skyscraper

David Fisher Residents of Dubai may one day experience a unique and constantly changing skyline thanks to Dynamic Architecture's wind powered rotating skyscraper. The main idea behind their concept involves a central concrete core surrounded by 59 independently rotating levels. The skyscraper would generate its own electricity from the massive horizontal wind turbines that would be stacked in between each floor. This idea may seem outlandish or impossibly expensive, but the oil price boom in Dubai has already funded many other similarly massive and complex architectural projects. If oil prices continue to increase these rotating wonders may be seen on Dubai's horizon within the next few years. View Comments


Google SketchUp Goes Green!

Google Sketchup ExampleThere is great potential for free software like Google SketchUp to play a role in the development of future small and large scale alternative energy technologies. Google SketchUp is free software that can be used to create complex 3-D models. The software interface is simple and easy to use. The possibilities are limitless! Anyone can now create a 3-D version of their idea or concept! The models can then be imported into programs like Google Earth. More specifically, SketchUp is the perfect software to help us in our quest to develop new energy technologies. View Comments


Zero Carbon City

Zero Carbon City The Masdar Initiative is an environmental urban ambition by Foster + Partners to develop a sustainable city. They recently released these beautiful images of their conceptual walled city where residents would enjoy a carbon and waste-free environment. The 6 million square metre project is based on the principles of an ancient walled city, combined with modern alternative energy technologies. The mixed-use, high density city will include a University, Innovation Center, Company Headquarters and several economic zones. The company plans to launch the project at Cityscape Abu Dhabi 2007. The initiative is being driven by the Abu Dhabi Future Energy Company. View Comments


Cradle to Cradle: Rethinking Sustainability

Cradle to CradleIt is time for our civilization to rethink the way we live, work, travel, design, build and consume. To think that we are doing our part simply by driving a hybrid car and recycling our paper, bottles, and cans is a dangerous illusion. For years, environmentalists have been telling us to do more with less in order to make change happen. This is simply not enough. We are going to have to fundamentally change the way we design our products, industries and cities. Our current recycling methods are inefficient and only serve to perpetuate the "cradle-to-grave" manufacturing model that we've been using for hundreds of years. View Comments


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