

MUNICH, -- Siemens estimates that it will receive $21 billion in new orders as a result of stimulus programs from countries around the world, and expects about 40 percent of those orders to come from wind turbines, building efficiency systems and other green technology.

El Viento es Malo? Clean Wind Energy May Spread 'Dirty Business' in Mexico

Engineering researchers at McMaster University in Ontario have installed flexible solar cells on a bus shelter to power the new lights in the shelter and hopefully power electronic bus schedule listings.

The Department of Energy announced its support for the first commercial-scale carbon capture and sequestration power plant, but will it live up to the much-hyped notion of "clean coal"?

OAKLAND, Calif. -- "Green collar jobs" has been the buzz term in business and policy circles as the solution to rising unemployment and greenhouse gas emissions. Two new reports show that the U.S. and states such as California can improve economic growth by employing clean energy strategies. And one of the reports says "business as usual" could make California's economy worse in the long run.

Another ugly battle is raging in the ethanol wars. Sadly, while everyone is arguing over whether ethanol is bad, no one is talking about how to make it better. The worst impacts of ethanol occur far from Iowa or Washington in the forests that are burned down to respond to demands for cropland.

A reader writes back: Blogger Jesse Jenkins, aka Watthead, responds to the post "Beware of Obama's 'Battery Gold Rush' " and argues that more government engagement is essential to spur a clean energy revolution.

What to make of this week's bankruptcy filing by General Motors? The beginning of the end? The end of the beginning? A death? Rebirth? Something in between?

FAIRFIELD, Conn. -- General Electric's revenue for its portfolio of environmentally sensitive products and services grew 21 percent last year and rose to $17 billion, according to the firm's annual ecomagination report.

Electric cars are a great idea, writes Marc Gunther, the faster they arrive, the better. But judgments about which battery-makers to finance should best be left to venture capitalists, investors, big investment banks and the like, he says.

David Sokol, the chairman of MidAmerican Energy (majority controlled by Berkshire Hathaway), is about to start testing a utility-scale battery storage plan that could change the renewables game forever.

An all-star panel of female executives from the information technology, transportation, finance and nonprofit sectors gathered Thursday to discuss the sustainability opportunities offered by emerging technologies, as well as its limitations.

SAN JOSE, Calif. -- The networking giant yesterday outlined a new IT solution to make the country's electrical infrastructure more energy efficient and responsive while creating thousands of new jobs.

Emerging from bankruptcy, the U.S. automaker -- now jointly owned by a union trust and Italian firm Fiat -- is likely to focus on the kinds of vehicles that the Big Three insisted Americans wouldn't buy.

The cleantech sector holds a number of branding dilemmas. This highly scientific sector involves often incomprehensible and seemingly unglamorous technologies. Also, cleantech companies are often poor at making their products understandable to end-users. But if handled in the right way, clean green and low carbon tech companies can become some of the world's most successful and recognizable 21st century brands -- and help save the planet and the economy.