our achievements


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The passage of AB 32

The passage of AB 32 (The Global Warming Solutions Act, signed into law by Governor Arnold Schwarzenegger) was a watershed moment in legislating a response to the impacts of climate change, in particular greenhouse gases, including CO2.

Wednesday, June 14th, 2006

With AB32, is there a way to measure soil carbon?

John Wick and Jeffrey Creque ask “With AB32, is there a way to measure soil carbon? Begin discussing a Cap and Trade System using Carbon Credits establishing a new revenue stream for ranchers.

Thursday, June 15th, 2006

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Can changes in soil carbon be measured?

John Wick and Jeffrey Creque ask 20 scientists at Lawrence Lab, (University of California, Berkeley) “Can changes in soil carbon resulting from management be measured? And how?

Wednesday, June 20th, 2007

MCP Begins Root

Thursday, June 14th, 2007

Is there a protocol to measure soil carbon increases?

Thursday, June 21st, 2007

Whendee Silver steps forward

Whendee Silver steps forward as principal investigator at Whendee Silver Lawrence Labs (University of California, Berkeley).

Friday, June 22nd, 2007

Whendee Silver, PhD

Saturday, June 23rd, 2007

Jeffrey Creque with Tori Estrada and Claudia Haskell (Marin Carbon Project)

Sunday, June 24th, 2007

Claudia Torri and Jeff

Monday, June 25th, 2007

35 sites are selected for soil carbon baseline

Matt Wacker (Marin Agricultural Land Trust), Jeff Creque (Marin Carbon Project) and David Lewis (University of California) develop GIS (Geographic Information System)-based county-wide soil sampling protocol. 35 sites are selected for soil carbon baseline.

Tuesday, June 26th, 2007


Wednesday, June 27th, 2007

Adding some carbon to the rangeland

Jeffrey Creque suggests adding some carbon (as compost) to the rangeland system to see if they can measure the change.

Thursday, June 28th, 2007

Bob Berner, ED of MALT (Marin Agricultural Land Trust) and Charlette Epifanio – District Conservationist, Marin and Sonoma counties.

Friday, June 29th, 2007

Marin county-wide soil sampling

Marin county-wide soil sampling of the major soil types in Marin County to determine baseline carbon levels.

Saturday, June 30th, 2007

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Rebecca Ryals

Rebecca Ryals, graduate student under Whendee Silver, begins dissertation research on the impacts of adding compost to rangelands.

Sunday, June 1st, 2008

Plow Kerfs

Monday, June 2nd, 2008

Yeoman Plow at WR-72008

Wednesday, June 4th, 2008

Research plots are installed in 2 locations: Marin County and Yuba County.

Saturday, June 7th, 2008

Scientists in the field

Tuesday, June 10th, 2008

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The team measures gasses coming off the composted and controlled plots.

Wednesday, April 1st, 2009

Policy work begins

Policy work begins (state and federal agencies about GHG benefits of our results).

Thursday, April 2nd, 2009

Early results are exciting and measurable! May 2009

Sunday, May 3rd, 2009

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  • Field Inspection

    Friday, January 7th, 2011

  • WR5 Treatments

    Tuesday, June 7th, 2011

  • Research expands to 3 dairies.

    Friday, June 10th, 2011

  • 2010 Funding + strategy to diversify and cover needs.

    Friday, June 17th, 2011

  • Workshop with Marin County Supervisors.

    Monday, June 20th, 2011

  • Speaker Peres Policy Staff presentation

    Monday, June 20th, 2011

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  • WR5 Plant Study

    Sunday, June 10th, 2012

  • More Plant Study

    Saturday, June 16th, 2012

  • Vegetation Assessment

    Tuesday, June 19th, 2012

  • Offset Market Protocol Development with EDF (Environmental Defense Fund)

    Wednesday, June 20th, 2012

  • More GHG data

    Thursday, June 21st, 2012

  • Thermopile Compost research begins.

    Friday, June 22nd, 2012

  • Inspecting

    Monday, June 25th, 2012

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Lisa Gautier, GCP Co-founder, Chair of Paul Hawken’s Drawdown.org Board

A coalition of scientist collaborating for the best climate solutions for vital environmental impact within 30 years.

Thursday, May 26th, 2016

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  • GCP partners Milestone!

    Monday, May 1st, 2017

  • GCP Exhibit at Eco-Industrial Hub

    Thursday, September 21st, 2017

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The Hum Sum

Tuesday, September 18th, 2018