The City of Arcata Community Forest Barnum Tract is a community forest located in Northern California creating carbon offsets through the Improved Forest Management protocol.

Every metric ton (mT) you purchase reduces greenhouse gases equivalent to a round trip flight from SFO to JFK or sequesters carbon from 3.8 acres of U.S. forest in one year, like Arcata! (source)

Want to offset your emissions that will directly go to supporting the Arcata Forest? Calculate your emissions with our calculator to get your pounds. Then divide by 2204 to get your mT!

$13.12 per mT

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Carbon offsets purchased through TerraPass support our portfolio of projects in communities around the United States. View our portfolio and learn more about what our projects do.


A carbon offset is a certificate representing the reduction of one metric ton (2,205 lbs) of carbon dioxide emissions, the principal cause of climate change. Although complex in practice, carbon offsets are fairly simple in theory.

If you develop a project that reduces carbon dioxide emissions, every ton of emissions reduced results in the creation of one carbon offset. Project developers can then sell these offsets to finance their projects. There are hundreds of different types of carbon reduction projects. For example, a dairy farm can install an anaerobic digester to captures and destroys methane that would otherwise be released when animal manure decomposes. However, such anaerobic digester projects are typically expensive to install and maintain. In order to finance the construction and operation of a digester project, a dairy farm can sell the emission reductions in the form of carbon offsets.

Carbon offsets are therefore an available tool for individuals and organizations that wish to mitigate the impact of their own carbon footprint.


The natural history of Arcata’s Community Forest is redwood dominant forestland. Prior to European settlement, Arcata’s forestlands were used for hunting, fishing, and other uses by nearby Wiyot Native American settlements. Wiyot villages were settled adjacent to Arcata’s forest and throughout the vicinity of Humboldt Bay. When Europeans began to settle in the Humboldt Bay region in the 1850’s, native Wiyots were soon driven off their lands.

Lands within Arcata’s Community Forest were claimed through land patents and the initial logging began. Much of Arcata’s Community Forest was logged during the 1880’s. Trees were felled with axes, wedges, and crosscut saws. Large trees with defects and many smaller diameter trees were left following logging although they were usually consumed in the slash fires, which regularly occurred. No attempt was made to replant.
Following the logging of the Arcata’s Community Forest, the area was used for grazing and for water supply. It was not until the 1930-1940’s that the citizens of Arcata gained title to the Community Forest for the purpose of providing water to the town (Van Kirk 1985). By 1955, the Community Forest was dedicated as the first municipally owned forest in the State of California, and was to be “managed for the benefit of all citizens of the city, with attention to watershed, recreation, timber management, and other values” (Humboldt Times, May 15, 1955). By 1979, a voter approved Multiple Use Management Plan initiative was passed by Arcata citizens, which led the direction of the forest characteristics seen in Arcata’s forests today.



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