News articles on alternative energy

Mongabay.com news articles on alternative energy in blog format. Updated regularly.

Termites can make ethanol

(03/06/2007) Achim Steiner, Executive Director of the UN Environment Programme (UNEP), says that termites can be used to make eco-friendly ethanol. He cites U.S. government backed research showing that "microbes living in the guts of termites have potent enzymes able to efficiently and cost effectively transform woody wastes into sugars for ethanol production."

Geothermal energy could cut U.S. oil demand

(01/22/2007) Geothermal energy could eventually power some 25 million homes across the United States at a cost of $40 million per year according to a Department of Energy sponsored study released Monday. Lead by Jefferson Tester, a professor at MIT and lead author, the report argues that unlocking the heat stored in Earth's crust could improve American energy security while reducing emissions greenhouse gases blamed for global warming.

Air pollution may reduce wind power, rainfall

(01/22/2007) Aerosolized particles and other pollution produced from vehicle exhaust may reduce wind speeds near Earth's surface, resulting in less wind for power generation as well as reduced precipitation, according to a study published in the December 27th online edition of Geophysical Research Letters by researchers at Stanford University and NASA.

China invests in $5.5B biofuels project in Borneo, New Guinea

(01/18/2007) China has agreed to invest in a $5.5 billion biofuels project on the islands of New Guinea and Borneo. The plan promises to be controversial among environmentalists who say that it will destroy some of the world's most biodiverse -- and threatened -- ecosystems on the planet.

Are biofuels good or bad for the environment?

(12/15/2006) Sometimes hailed as a savior from global warming and foreign oil dependence, biofuels are as often criticized for deforestation and pollution. So, are biofuels good or bad for the environment? Grist, an independent online environmental magazine, examines the question in a new series devoted to biofuels.

China to build world's largest solar power plant

(11/21/2006) China plans to build the world's largest solar power station in the northwestern province of Gansu according to a report from Xinhua, China's state news agency. Construction of the 100 megawatt facility will take five years and cost 6.03 billion yuan ($766 million).

Renewable sources could power 25% of U.S. energy needs by 2025

(11/13/2006) Renewable energy sources could supply one quarter of America's electricity and motor vehicle fuel needs by 2025 according to a new study from RAND, a nonprofit research organization. Currently six percent is energy used in the United Stats comes from renewable sources like solar, biomass, hydroelectric, tidal, wind, and geothermal.

Solar Energy Powers Mainland China's Richest Man

(10/12/2006) The largest private fortune in mainland China may belong to Shi Zhengrong, the founder of the China's largest producer of photovoltaic equipment used to convert sunlight into eletricity, according to an article in today's edition of The Wall Street Journal.

High oil prices fuel bioenergy push

(05/09/2006) High oil prices and growing concerns over climate change are driving investment and innovation in the biofuels sector as countries and industry increasingly look towards renewable bioenergy to replace fossil fuels. Bill Gates, the world's richest man, has recently invested $84 million in an American ethanol company while global energy gluttons ranging from the United States to China are setting long-term targets for the switch to such fuels which potentially offer a secure domestic source of renewable energy and fewer environmental headaches. Biofuels are fuels that are derived from biomass, including recently living organisms like plants or their metabolic byproducts like cow manure. Unlike fossil fuels -- like coal, petroleum, and natural gas, which are finite resources -- biofuels are a renewable source of energy that can be replenished on an ongoing basis. In general, biofuels are biodegradable and, when burned, have fewer emissions than traditional hydrocarbon-based fuels. Typically, biofuels are blended with traditional petroleum-based fuels, though it is possible to run existing diesel, engines purely on biodiesel, something which holds a great deal of promise as an alternative energy source to replace fossil fuels. Further, because biofuels are generally derived from plants which absorb carbon from the atmosphere as they grow, biofuel production offers the potential to help offset carbon dioxide emissions and mitigate climate change.

Wind turbines could power China says expert

(03/09/2006) Wind could become China's second-largest source of electricity according to a Chinese energy expert. Wang Weicheng, an energy professor at Tsinghua University in Beijing, told reporters that China has the potential to install up to 100 gigawatts of wind power. Wang's comments come as China has been aggressively expanding its interests in renewable energy sources including wind, solar, biofuels, tidal, and small hydroelectric dams.

Making wind power less deadly for birds

(12/15/2005) High oil prices and concern over climate change are driving interest in renewable energy technologies. All types of potential power sources -- not limited to the sun, ocean tides and waves, raw sewage, and even insects -- are the focus of media reports, while governments and industry scramble to announce their grand plans for adopting green energy.

California plans $3 billion for solar energy projects

(12/13/2005) Tuesday the California Public Utilities Commission announced an ambitious program to expand the market for solar power, proposing to provide $2.8 billion of incentives toward solar development over the next 11 years.

China to add wind power capacity

(08/15/2005) China plans to construct its first offshore wind power complex next year in hopes of easing chronic electricity shortages, the official Xinhua News Agency reported Monday.

China announces wave power station changes

(07/27/2005) China announced that it has developed typhoon-resistant technologies for the world's first experimental wave power station. The announcement comes two months after a Norwegian firm signed an agreement to construct a commercial wave farm to harvest electricity from sea swells off the coast of Scottland.

How might I buy invest in green energy projects?

(07/20/2005) On June 17, Associate Press reported that Zilhka Renewable Energy hopes to complete a $100 million wind farm in eastern Oregon by December 2006. The article said the company owned wind farms in eleven states. For many investors, green or otherwise, this would seem like a great company in which to own stock. Whether or not the numbers would bear that out, a savvy investor would first want to know, "How might I buy a piece of Zilhka or invest in their projects?"

Renewable surf energy; Wave farm to harvest electricity from sea swells

(05/21/2005) A new wave farm will be used to generate electricity from sea swells.

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