Armed conflict throughout the world has been declining over the past decade, according to the Canadian research group, Project Ploughshares.

Many of the current wars still underway around the globe get little, if any, coverage in America’s mainstream media. And that may actually be a good thing, as Project Ploughshares Executive Director John Seibert explains.

The most recent report on global wars shows none continuing anywhere in the western hemisphere, but there’s a less obvious downside to what at first blush looks like good news.

The research of Project Ploughshares forms the basis of the recent documentary film, Soldiers of Peace  which will be shown Sunday afternoon at the Glaser Center in Santa Rosa as part of a local observation of the International Day of Peace . Click on nthe icon below to see a graph of the number of armed conflicts tallied by Project Ploughshares each year over the past decade.

You can also read the Project Ploughshares annual report here, and watch the trailer for Soldiers of Peace here:

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Preserving biological diversity isn’t the only reason for protecting endangered plant species—in some cases, its good for our health, too.

United Plant Savers emerged in the 1990s, primarily in response to the depletion of naturally occurring supplies of popular medicinal herbs, explains Executive Director Lynda LeMole. Until that time, most of them were harvested by hand, in a process known as “wild-crafting.”

While herbal medicine is most commonly associated with the orient, eastern practitioners have long had a keen appreciation for certain medicinal plants from North America, especially American Ginseng, seen being harvested at left.

Commercial cultivation of many medicinal herbs is complicated by the challenges in replicating their natural growing conditions, particularly for those, like American Ginseng, that are found on the forest floor. Even here in Sonoma County, where conditions favor a wide range of crops, many sensitive herbs will not thrive. That's another factor complicating the preservation of the "at risk" herbs on the list below.

United Plant Savers “At-Risk” List 

• American Ginseng - Panax quinquefolius
• Black Cohosh - Actaea  racemosa (Cimicifuga)
• Bloodroot - Sanguinaria canadensis
• Blue Cohosh - Caulophyllum thalictroides
• Echinacea - Echinacea spp.
• Eyebright - Euphrasia spp.
• False Unicorn Root - Chamaelirium luteum

  Goldenseal - Hydrastis canadensis
• Lady’s Slipper Orchid - Cypripedium spp.
• Lomatium - Lomatium dissectum
• Osha - Ligusticum porteri, L. spp.
• Peyote - Lophophora williamsii
• Slippery Elm - Ulmus rubra
• Sundew - Drosera spp.
• Trillium, Beth Root -Trillium spp.
• True Unicorn - Aletris farinosa
• Venus’ Fly Trap - Dionaea muscipula
• Virginina Snakeroot - Aristolochia serpentaria
• Wild Yam - Dioscorea villosa, D. spp.

There is a full list of botanical sanctuaries (including three  in northern California) among the  resources at the United Plant Savers website.

Lynda LeMole, Executive Director of United Plant Savers, will be the featured speaker tonight at the Science Buzz Café  in their new home at the Youth Annex adjacent to the Sebastopol Community Center, at 7 pm.

Residential greywater systems are now legal in California, and most modest residential installations don’t ever require a permit. But exactly how the changed rules are being implemented remains a little murky.

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Sonoma County PRMD deputy director Duane Starnes explains why diverting laundry water outflow to a greywater reservoir also requires some additional changes to the household’s existing plumbing, such as the diversion valve shown at right.

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Art Ludwig, a long-time advocate for legalizing greywater systems, says the state’s new rules allowing them carry an almost symbolic significance that extends well beyond mere plumbing.

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Ludwig's Oasis Design website has detailed and illustrated instructions on how to install a "laundry to landscape" greywater system.

The Bay Area's Greywater Guerrillas are another online resource.

Legislation to commit California’s utilities to a higher standard for developing and using renewable energy is heading for a final decision in Sacramento.

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State Senator Joe Simitian (D-San Mateo) left, the author of SB 14, says his measure offers multiple benefits, including some that extend well beyond California.

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Glynnis Hokenson,  Kate Goltermann and Bret Fanshaw (l-r) from the  Environment California Research and Policy Center in Sacramento,  brought the white wind turbine mock-up to the steps of Santa Rosa City Hall last week to call attention to their campaign in support of the "Triple It" bill to increase California's requirements for new, renewable energy sources.

Go here to read an analysis of SB 14 by the Consumer Federation of California.

Both bills are also being supported by the California League of Conservation Voters.