Why Soil Carbon Coalition? The most powerful and creative planetary force.

The Soil Carbon Coalition is a nonprofit organization working to advance the practice, and spread awareness of the opportunity, of turning atmospheric carbon into water-holding, fertility-enhancing soil organic matter and humus. We are doing this by identifying the successes of local leadership via time-series monitoring, with open data. We want to help facilitate a shared and shareable intelligence on landscape function, so that communities can take informed responsibility for soil health and the function of their watersheds.

As Vernadsky realized about 100 years ago, life (powered by photosynthesis and carbon cycling) is the most potent geologic force. Carbon cycling (which heavily influences water cycling) underlies almost all of our biggest challenges. Many now realize that humans have become a principal influence on carbon and water cycling, but our influence has been largely inadvertent, and often (e.g. changes in soil carbon in specific places) outside our awareness.

Our challenge, our opportunity, is to learn how to manage carbon and water cycling (landscape function or biological work) for the good of the whole at a variety of scales. But our methods, tools, and systems for learning are not

December 2016


Soil health and structure is the background and center of gravity for most of our big issues, including water, agricultural productivity, local economies, and resiliency to extreme weather events. Here Todd McPeak, Peter Donovan, and Jay Fuhrer are testing water infiltration in one of Todd's hayfield/pastures in North Dakota. Photo by Didi Pershouse

Thanks to all of you who have supported us in 2016, we've been working this past year on ways to make it easier for you to participate in growing a shared, local intelligence on soil health and watershed function.

We invite you to try one or more of the following.

Gabe Brown at TEDx Grand Forks

Rancher-to-rancher day at Sierra Foothill Conservancy near Prather, California

The Rancher-to-Rancher day at Table Mountain with Sierra Foothill Conservancy on March 19, 2016 was one of the best. Kent Reeves had arranged this with Billy Freeman, their cattle and grazing manager. We had great weather for an outdoor day, and the place was lush and beautiful with lots of grass and flowers.

Shifting soil paradigms

This 3-minute video is the intro to a series of videos on soil health. By Buz Kloot who works in South Carolina.

Soil aggregates and infiltration: an analogy

Using flour, bread, and water, Emaline shows how rainwater and flooding affect unaggregated (poorly structured) soils vs. aggregated (living) soils. This is part of the Climate, Water, Soil & Hope project created by Didi Pershouse of the Soil Carbon Coalition. Our goal is to grow and support leaders who know how to collaborate with the power of biological work. To donate to our project, see button on this page, or for more information contact

Water cycle

Much conventional thinking about the environment tends to separate "parts" of the same whole. In dealing with water problems, for example, we tend to focus on symptoms -- such as flooding, erosion, and riparian conditions -- rather than causes, which are almost always related to the function of the water cycle.

Remonitoring in California

This winter's remonitoring of California baseline carbon plots established in January-February 2011 showed most with little change, or slight losses. The highest gain was from a plot near Watsonville managed with holistic planned grazing by Joe Morris of TO Cattle Company (http://morrisgrassfed.com) which showed significant increases in all three layers sampled, with results viewable on the map of soil carbon change:

From "sequestration" to investment

While there's increasing recognition of the soil carbon opportunity, effective policy or markets haven't arisen. It may be how we're thinking about it. We may be out of position.

Challenge update December 2014: some monitoring results

Peter Donovan and Ralph Corcoran. Photos by Didi Pershouse.

Sometimes it has been lonely. Often there have been unexpected gifts of friendship and hospitality. In the 30,000 miles of travel in my school bus home, plus many thousands more by train, bus, plane, and car in the U.S., Mexico, and Canada, I have glimpsed bits and pieces of a miracle: a growing interest and commitment, by many people, to growing soil and regenerating land.

Since 2010 I’ve established about 270 baseline carbon plots in the US, Mexico, and Canada. As we start re-monitoring we now get to see results, not just baselines, which means we can track the actual changes in soil carbon and plant cover over time. These can teach us, one plot at a time, what is actually possible when creative and committed people work with the most powerful and creative planetary force.

The Soil Carbon Challenge is an international (and localized) competition to recognize land managers who are growing water-holding, fertility-enhancing soil organic matter. It is designed for those who are, or will be, managing for more carbon and water in their soils and enhanced ecological function, and who want feedback and accountability relative to this goal. We seek to recognize grassroots leadership, to help discover what is possible through management of the most powerful and creative planetary force, and to help build management capacity at all scales from society to individuals managing land.

Northeast Oregon: Tony and Andrea Malmberg of Union, Oregon had a 23% increase in soil carbon in the top 10 centimeters (about 4 inches) after not quite three years, following a transition from 23 years in the Conservation Reserve Program where no farming or grazing was done, to planned grazing beginning in October 2010. Above-ground plant diversity increased as well.

Peter Donovan, Blain Hjertaas, and Neil Dennis

Southeast Saskatchewan: Every one of the 5 farms with baseline plots that Blain Hjertaas and I remonitored in October 2014 showed substantial increases in soil carbon, over 40 percent in some cases (see links below to graphs and summary data for all layers sampled). These plots are in pastures, mainly smooth brome or meadow brome, and bluegrass. These graziers are all using some type of planned grazing, with fairly short times of exposure to grazing and fairly long recovery periods. In some cases, they have given their cattle access to round bales of hay spaced around the field for winter supplement. None of the plots were located in the rings of lusher grass growth that persist for some years around the location of each bale, but some hay feeding did occur over the plot SUNB1 and the surface litter there did contain hay residue.

Blain Hjertaas, who has helped a group of graziers in southeast Saskatchewan learn planned grazing and holistic management, noted the excellent growing conditions over the last three years.

Neil Dennis, one of the Saskatchewan graziers who is featured in the film "Soil Carbon Cowboys," has used high stock density and recovery periods of 80 days or longer for years on his pastures of brome and bluegrass. “As your land gets healthier, your recovery time should get longer. Everything starts changing when you get healthier land—the health of the animals, and the response of the grass. My brome hasn’t set seed in a year.”

See graphic plot summaries here.

as well as on the map.

The sampling methods are detailed in Measuring Soil Carbon Change: A flexible, local, practical method, available here.

These results mean that some dedicated land stewards, by turning atmospheric carbon into soil carbon, are growing soil and soil structure. This has a large influence on water-holding capacity, yearlong productivity, profit, quality of life, and the well-being of their communities. They are doing this with the tools and resources that are already available on their farms, namely sunlight, rain, plants, livestock, countless microbes, and well-directed human management.

Notes Soil Carbon Coalition cofounder Abe Collins: "Practical, visionary ranchers and farmers are leading the way in discovering how to grow new topsoil. By tracking change in soil carbon levels via the Soil Carbon Challenge they've gained important feedback.

"We hope that soil health outcomes of these ranchers' good management also expands the sense of possibility and encourages action toward a deep topsoil future by the non-farming public.

"The Soil Carbon Coalition continues to develop and implement open monitoring and data analysis tools designed to increase people's capacity to achieve topsoil and water security wherever they live."

Carolyn and Trent Wall, Peter Donovan

The Soil Carbon Coalition will continue to help develop local interest and capacity in measuring change in soil carbon, using open data and practical methods. I’ve given workshops in Mexico, Vermont, and Pennsylvania and have more scheduled for 2015. We would like to see the Challenge be taken up (and localized) in all areas of the world, with open shared data. For those of you who are participating in the Soil Carbon Challenge, please contact me to request remonitoring or for instructions on accessing your baseline data.

Mapping power and change: an expansion of our work

Life, as the Russian geochemist Vernadsky observed nearly a century ago, is the most powerful geologic force. Yet we are ill-suited to recognize or enlist this most powerful and creative planetary force, because we generally don’t monitor landscape function. Instead we spend vast sums on predictions, models, and on mapping problems, species, and land cover, and then on research to establish best and worst practices for addressing these problems.

Big data, citizen science, and open-data technologies are coming together to create an opportunity for open, participatory, multilayered maps of landscape function and change over time that build on our mapping of soil carbon change. The Soil Carbon Coalition is looking for

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