The Greenhouse Gas Protocol (GHG Protocol) is the most widely used international accounting tool for government and business leaders to understand, quantify, and manage greenhouse gas emissions.

Despite opposition from Republicans, the Regional Greenhouse Gas Initiative (RGGI) has been shown to be very successful. A January 28th New York Times article reviewed RGGI a carbon trading initiative launched by ten northeastern states in January 2009.

From January 18th to February 15th, 116 schools throughout the country will compete to reduce electricity usage at their schools by taking part in the 2012 national Green Cup Challenge® (GCC).

We're pleased to feature a guest blog today from Matthew Yeomans, a leading expert on social media in the area of sustainability and CSR. We asked him to tell us a little more about the Social Media Sustainability Index, an impressive report that he recently authored on the state of social media sustainability communication among major international companies.

The Retail Industry Leaders Association (RILA) has released the first ever industry-wide Retail Sustainability Report. It explores retail’s sustainability successes, challenges and vision for the future.

I grew up in a small South African town 16,000 kilometers and more than a hundred years away from America’s Wild West, but nevertheless watched many a cheap Saturday morning movie set in the mesquite and chaparral of that mythically violent but oddly honorable land.

Global investment in clean technology is expected to set a record in 2012 beating the record of $260 billion set in 2011.

“Fiddling while Rome burns” may seem a stale analogy, but when talking of “green growth” and “green economy” (GGE, for short), it is appropriate. Despite assertions to the contrary, the only thing innovative about the GGE concepts is the buzz that surrounds them.

Over the past couple of decades, California has earned a reputation for passing its own environmental standards that are often much more rigorous than those set by the federal government.

If you have been a frequent reader of my articles, you’d know my position on Apple and the manner in which it’s conducted its supply chain sustainability programs…or hasn’t.

Even given the backlash over the very public bankruptcy of solar panel maker Solyndra, the Obama administration remains set on pushing clean energy.

In 2010, CSA Standards, a leading standards-based solutions organization, introduced standards for use by event organizers seeking to plan and execute sustainable events.

California is well known for its green orientation and this is borne out in the data for 2011. As the world's eighth-largest economy California has unmatched potential. More than any other state, in California the economy and the environment go hand in hand.

In cleantech as with most sectors, partnerships and collaborations are vital to drive innovation and move forward. This is particularly true during difficult economic times. This was certainly the case in 2011 and all indications are that it will be even more of an important trend in 2012.

This video narrated by actor and conservationist Edward Norton, reviews a land conservation system for the twenty-first century. See some of America's most prized landscapes known as the Conservation Lands.

Multiple asset sales (by Oman Investment Corporation, American Water Works Company, Vision Energy, and Santander) occurred around the world this week.

Most people have heard of dioxin even if they do not fully understand what the term means. Dioxins are one of the most toxic known substances. Dioxins are known to cause “ reproductive and developmental problems, damage the immune system, interfere with hormones and also cause cancer.”

If you’re looking to start a service-based business and have a mind for both energy efficiency and eco-friendliness, then near the top of your list of priorities should be securing green office space.

A few weeks ago I was talking with another transplant from Los Angeles who also became interested in environmental sustainability.

It is in our human nature to be fallible, to make mistakes and to compromise. But when should we accept and tolerate our errors and when shouldn’t we? Some of our mistakes are not deliberate and yet can have devastating …

Mega social networking site Facebook has long been urged by Greenpeace to “unfriend coal,” and to switch to greener energy. The first indication that Facebook was moving into a more eco-friendly direction was in October, when the social networking giant announced that they would be building a new center in Sweden