From devastating outbreaks of white nose syndrome to large numbers of bat deaths caused by collision and dramatic changes in air pressure, the health of bat populations has emerged as a major issue for wind farm developers and operators. And while a range of solutions including specialized radar systems and purple wind turbines have been proposed and (more…)

General Motors, more commonly known as GM to the public, is an American multinational automotive corporation with headquarters in Detroit, Michigan. In 2010, it was listed as the second largest automaker in the world, and for the first half of 2011, GM was actually listed as the first largest. GM is known for its numerous divisions and brands, including Buick, Chevrolet, (more…)

NewScientist’s January 28 issue is likely to unsettle clean energy advocates – but it is worth the read.

The cover article, “Power paradox: Clean might not be green forever,” posits that even renewable energy can warm the planet, and eventually change climate, if we continue to ratchet up power production to (more…)

Today global thinking on sustainability is undergoing a revolution. Whereas once we may have looked at water efficiency, alternative energy and land use as separate issues, today our understanding is growing that in order to truly address sustainability, we need to look at all three together. McKinsey & Company recently issued an important report on this (more…)

It’s been quite a couple of weeks for the sustainability movement in Canada, since Natural Resources Minister Joe Oliver’s comments about “environmental and other radical groups” and their opposition to the Northern Gateway pipeline project.

The unfortunate result of the government and (more…)

Ecotricity, a British alternative energy provider, announced on its website that it is financing a new technology called Searaser. The company says the new technology tackles two of the main obstacles faced by the renewable energy industry: cost and intermittency.

The Searaser was invented by Alvin Smith, an (more…)

San Diego Gas & Electric (SDG&E) has filed two proposals with the California Public Utilities Commission (CPUC) that, if approved, may allow you to choose electricity generated by solar energy instead of fossil fuel-based energy, whether you own a home or not.

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The photovoltaic (PV) manufacturing process typically requires solar cells to be heated to extremely high temperatures. Traditional methods for heating involve utilizing conventional electric or infrared furnaces to heat the cells for long periods of time.

The heating process allows for the fabrication of the (more…)

To simplify where we are as a civilization and where we’re going with respect to energy consumption, economics, and environmentalism, it’s useful to postulate three broad “plans”:

Plan A: We continue on our current course. We ignore the fact that our population will soon be (more…)

According to fresh data released by the Environmental Protection Agency, a record 1.1 billion gallons were produced in 2011, a milestone for the biodiesel industry in the U.S. The target required by the agency’s Renewable Fuel Standard (RFS) was 800 million gallons. (more…)