
In a possible solution to a marine chemistry mystery that has puzzled scientists for several decades, researchers have now calculated the contribution of teleost fish (bony fish) to marine carbonate (CO3) concentrations. They estimate that such fish secrete up to 15% of the ocean’s carbonate production, through their intestines, or guts (these are conservative estimates; the more liberal estimates show up to 45%).
This is important because sea water is saturated with calcium ions (Ca+2), which must be combined with carbonates to form the shells (as in bi-valves like clams and scallops) and habitat structures (as in gastropods, like conchs, and coral communities) made of Calcium carbonate (CaCO3). CaCO3 is a “neutral” (non ionic/reactive) and stable compound (within normal ocean ph ranges), and, with its plentiful constituent ions (Ca2+ and CO3-), it is an ideal material for marine creatures to utilize in constructing their shells and skeletons.
By Andrew Williams •
December 30, 2008
The Bush administration has taken steps to open the Californian coast to oil exploration and drilling in as few as three years. The move could potentially tap more than 10 billion barrels of oil, enough to power the U.S. for 17 months.
By Cassie Walker •
March 13, 2008
As a big proponent of the Triple Bottom Line concept for businesses, one organization floats my boat for a lot of different reasons: BALLE, the Business Alliance for Local Living Economies. Why? Because BALLE sees business as a way to strengthen our communities, as well as our local economies.
Though it can be difficult to understand how BALLE works, I’ll try to nutshell it for you. BALLE, a national organization, is made up of local business networks. The networks are spread out all over the country, and each is focused on improving the sustainability of its own unique local economy. The businesses that make up each network are locally owned - they work together to share local resources and ideas, and to improve their local economy. BALLE provides resources to these member networks, like conferences and trainings.
By Cassie Walker •
November 8, 2007

After looking forward to it for several months, the Opportunity Green Conference is now just around the corner. To be held November 17 at UCLA, the conference’s organizers are asking a question that seems to be on everyone’s lips: “Is green the new gold?”
The conference will bring together those involved in all aspects of green business, from visionaries and entrepreneurs to executives and investors, all of whom are dedicated to building socially conscious, sustainable, and profitable [...]
By Cassie Walker •
June 28, 2007
At last week’s Sustainable Business Council event here in LA, the topic was health and wellness. As a cool bonus at the event, the organization brought in Green Bliss, a mobile eco-spa, to provide free treatments. It was then that I realized just how much is going on in this industry.
Of course, the signs have been around for awhile. It seems that I’m constantly meeting people who are starting new organic soap or
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By Cassie Walker •
May 29, 2007
Last week, on the second anniversary of the launch of GE’s ecomagination initiative, the company held a massive press conference in Los Angeles to announce its many new partnerships. Since this was a press conference, I was skeptical of the information to be provided…was this just going to be one big GE commercial love fest? And perhaps more importantly, would I drink the Kool-Aid?
The answer on both questions? Yes and no. My skepticism of
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By Cassie Walker •
May 10, 2007
Paul HawkenIf you haven’t heard of Paul Hawken’s work, it’s not because he hasn’t tried. In fact, his bio reads like that of someone on a mission, which of course he is. One of this country’s strongest voices on the relationship between business and the environment, Hawken is known as a tireless environmentalist, author, and entrepreneur. The shear scope and volume of his work are remarkable.
His newest book, [...]
By Cassie Walker •
April 26, 2007
Editor's note: Please welcome our newest writer, Cassie Walker. Cassie is an independent marketing and strategy consultant who's very involved in the Los Angeles green scene. She'll be covering that scene, and other things SoCal for us.
If the thought of a cross-town commute from the Valley has stopped you from checking out a Los Angeles area Green Drinks event, April 26th is your lucky day! This Thursday marks the
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