Author Archives: Zeke Hausfather

About Zeke Hausfather

Zeke Hausfather, a data scientist with extensive experience with clean technology interests in Silicon Valley, is currently a Senior Researcher with Berkeley Earth. He is a regular contributor to Yale Climate Connections (E-mail: zeke@yaleclimateconnections.org, Twitter: @hausfath).

The U.S. Voluntary Carbon Offset Market (Pt.2 of 2)

A voluntary market for carbon offsets has emerged in recent years in the United States that in many ways parallels the global compliance carbon market in countries that have signed onto the Kyoto Protocol. In contrast to the strict regulatory [...]

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Kyoto Accord Compliance Markets: Can Emission Trading Offsets Work? (Pt.1 of 2)

The global market for carbon reductions is growing rapidly, having doubled in value in the last year alone to more than $64 billion. The European Union Emissions Trading System (EUETS) comprises most of the market, with the Clean Development Mechanism [...]

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Common Climate Misconceptions

Why Reducing Sulfate Aerosol Emissions Complicates Efforts to Moderate Climate Change

With all the attention surrounding carbon dioxide these days, it is easy to forget that there are a number of other important natural and human-driven factors (“forcings” in climate circles) that influence Earth’s climate.

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Common Climate Misconceptions

Solar Influences on Global Temperature

An argument frequently used by those skeptical of the role of anthropogenic greenhouse gases in modern temperature increases is that warming is caused by the Sun. At first glance, it seems to make intuitive sense: the Sun is a massive [...]

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2025 Greenhouse Capping Proposal Rejects 2 Degree C ‘Dangerous Warming’ Threshold

President Bush, well into what is widely seen as his lame-duck period, last month proposed his administration’s first concrete plans to cap U.S. greenhouse gas emissions. Policy makers and many in the news media appear to have largely written-off the [...]

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Modeling CO2 Emissions – The Vulcan Project

An impressive YouTube video has been making its rounds over the past week, appearing at first glance to show high-resolution satellite images of U.S. carbon dioxide emissions. Rather than images from space, however, the Vulcan Project is actually a revolutionary [...]

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Common Climate Misconceptions

Global Temperature Records

Measuring Earth’s temperature is no easy task. Four different groups produce temperature records that attempt to compile a single global mean surface temperature: NASA’s GISStemp, the Hadley Center’s HadCRU, Remote Sensing Systems’ RSS, and the University of Alabama, Huntsville’s UAH.

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