A controversy is brewing over whether some chemical companies are abusing a program that gives them carbon credit revenues for destroying a potent greenhouse gas created as a by-product in their operations.

Rigorous environmental product declarations are relatively new in the U.S., and Bekaert Specialty Films is among the early adopters of the practice. BSF completed a climate declaration with the lifecycle analyses of 32 of its solar window films.
 

Buildings that have changing uses and those that weren't commissioned after construction can be secretly wasting energy. In both cases, retrocommissioning can help.

In the world of energy efficiency and sustainability, the biggest financial and environmental opportunities are often right under a company’s nose. However, if the company does not have the proper tools and data -- or if it is too focused on making smaller efficiency tweaks while losing sight of the big picture -- these larger opportunities can be easily overlooked.

It's said "What whiskey won't cure, there's no cure for."  Scientists in Scotland applied that adage to alternative fuel and brewed up biofuel made from whiskey byproducts.

The Ohio-based juice maker also made strides in other 2011 environmental goals, Sunny Delight explained its 2009 Sustainability Report released this week, which spans several areas of its operation, including transportation and logistics, packaging, energy and water use, and waste.

The Recovery Act is spending big money in surprising places, including cleantech startups that have yet to find a market and a company that makes mining equipment for coal-fired power plants.

Most Americans overlook efficiency as the most effective means of reducing energy consumption. At the same time, poor public perception of the amount of energy needed by appliances and certain activities may be preventing consumers from making more informed choices when it comes to energy-saving behavior, a new survey suggests.

Environmental refugees could increase from 50 million by 2011 to 1 billion by 2050, and director Michael Nash gives us a glimpse of the human face of climate change in his new documentary, Climate Refugees.

While BP had made its way into a number of socially responsible investment portfolios, Domini Social Investments always excluded the now-tarnished firm. Here, Domini's managing director explains how companies can be considered "responsible."

 San Francisco's Department of the Environment has finished on online catalog of products and services that meet the standards in the city's preferred purchasing program.

Bright Automotive, spun off from Rocky Mountain Institute in 2008, now has bragging rights as the first investment of GM Ventures, LLC. The $5 million investment by the auto giant couldn’t have come at a better time, providing a solid shot in the arm to drive the company’s 100-mpg plug-in hybrid electric fleet vehicle, the IDEA, into mass production.

The transport sector generates 13 percent of global greenhouse gas emissions, but a new study suggests the industry is in the slow lane when it comes to dislosing their carbon footprints and setting plans to shrink them.

Three possible outcomes for elections on November 2 -- The election of Jerry Brown or Meg Whitman as governor and the possible veto of the state's landmark climate legislation -- represent a Normandy Invasion equivalent for national climate laws.

Funeral directors in northern Belgium want the country to give the green light to resomation, a water and alkali-based process that turns bodies into a mix of liquid and minerals. Resomation uses less energy than cremation and emits significantly fewer greenhouse gas emissions.

 Though managing and counting carbon is now table stakes for mom and pop shops and Fortune 500 firms alike, many companies don't know where to begin. These 10 stops will get you well on your way to carbon management.

Any member of a sprint relay team knows how important the baton handoff can be for the success of the team, even if the goal is to improve energy efficiency, not win a race.

SunRun's solar leasing program has removed two obstacles to solar -- the upfront cost and hassles. Yet despite more than $155 million in funding, the company only has about 5,000 customers  -- so far.

The global consultancy giant has announced ambitious plans to build a dedicated cleantech division capable of generating more than £100m (US$158.8 million) of revenue within the next three to five years.

Companies of all sizes are making the shift from just working on green IT to 'IT for green' -- deploying technology to meet corporate-wide environmental goals.