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photo: Picarro

In The New York Times on Wednesday, I write about California’s move to deploy the world’s first statewide greenhouse gas monitoring network:

SAN FRANCISCO — California is preparing to introduce the first statewide system of monitoring devices to detect global-warming emissions, installing them on towers throughout the state.

The monitoring network, which is expected to grow, will initially focus on pinpointing the sources and concentrations of methane, a potent contributor to climate change. The California plan is an early example of the kind of system that may be needed in many places as countries develop plans to limit their emissions of greenhouse gases.

“This is the first time that this is being done anywhere in the world that we know of,” said Jorn Dinh Herner, a scientist with the California Air Resources Board.

While monitoring stations around the globe already detect carbon dioxide, methane and other greenhouse gases, they are deliberately placed in remote locations and are generally intended to measure average global concentrations of greenhouse gases rather than local emissions.

The California network, by contrast, is meant to help the state find specific sources of emissions, as well as to verify the state’s overall compliance with a plan it adopted to limit greenhouse gases.

The air resources board has bought seven portable analyzers made by Picarro, a company in Silicon Valley that also supplies the machines to the federal government and academic scientists.

By this summer, the analyzers will be deployed on towers in the San Joaquin and Sacramento Valleys, home to large agricultural operations and oil fields, and on Mount Wilson, outside Los Angeles. Data will also be collected from Picarro machines maintained by the Lawrence Berkeley National Laboratory on the coast and from several monitoring stations operated by other agencies.

You can read the rest of the story here.

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