About two-thirds of global corporates are not prepared to pay higher rents to take space at "green" buildings, even though 70 percent of them view sustainability as a critical business issue, a survey showed.

World energy use will rise rapidly over the next 20 years, increasing costs and greenhouse gases unless a deal is reached to curb carbon dioxide emissions, the International Energy Agency (IEA) said on Tuesday.

The world is closer to a peak in oil supply than International Energy Agency estimates admit, UK newspaper The Guardian reports, citing an unidentified IEA "whistleblower."

Home prices always lag sales, but they may be beginning to catch up.  A new report from Zillow.com finds home values stabilized in the third quarter of this year, as sales of new and existing homes grew. 

See which10 companies ranked on top.

Honda Motor aims to improve its cost structure to be able to break even in Japan using just 70 percent of its capacity to build cars, a top official at Japan's second-biggest automaker said on Wednesday.

Toyota Motor said on Wednesday it was pulling out of Formula One racing.

Few people have been as vocal as former vice president Al Gore about the urgency of global warming and the need to reinvent the way the world produces and consumes energy. And few have put as much money behind their advocacy as Mr. Gore and are as well positioned to profit from this green transformation, if and when it comes.

The United Auto Workers union had given local unions until Monday to complete voting. But a person briefed on the voting said Saturday that the contract changes have been rejected by large margins.

First Solar reported quarterly sales that fell well short of what the Street was expecting, punishing the company's stock in late trading Wednesday.

While President Obama unveiled $3.4 billion worth of stimulus grants for smart grid technologies Tuesday in Florida, CNBC was in South Carolina, looking at Itron, a company that stands to reap big profits from that money.

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Ahead-of-the-curve retail investors looking to play carbon as a commodity may want to bone up on the facts while they are waiting to for the nascent market to scale up.

Target and CVS are the latest retailers giving discount incentives to customers who bring in their own reusable bags instead of using the store's plastic bags.

President Barack Obama said Friday that opponents of his energy bill are disputing the evidence of global warming in a cynical ploy to undermine efforts to curb pollution and steer the nation to greener energy sources.