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CARMA’s First 48 Hours

The numbers are just fantastic: 150,000 visitors from 187 countries in CARMA’s first two days. Just as important are the hundreds of comments and emails we’ve received with congratulations, suggestions, and questions. Thank you. We will begin sifting through them next week. In the mean time, continue spreading the word. There’s so much more to [...]

Disclosure at its Best: Companies Come Forward with Information

Transparency is central to CARMA’s objective of reducing carbon emissions through public disclosure. So when the CLP Group in China approached us about our figures for their Castle Peak power plant in Hong Kong, we took notice and responded promptly. Indeed, it is CARMA’s policy to replace our data if high-quality, plant-specific, independently verified emission [...]

Too Much of a Good Thing: CARMA Sluggish Today

Much to our pleasure, the response to CARMA in the media and blogosphere has been fantastic. Sincere thanks to everyone for their interest and support. We hope to keep it going. The attention has generated so much web traffic at, that we are temporarily disabling the download data feature. [UPDATE: This feature has been [...]

Welcome to CARMA!

We are pleased to announce the launch of the Carbon Monitoring for Action database at CARMA provides the world’s most detailed and comprehensive information on carbon emissions resulting from the production of electricity. Power sector emissions make up 25% of the global total, 40% of carbon emissions in the United States, and are a [...]

CARMA 101: Quick Tips to Get You Started

We set out to make an intuitive and easy-to-use (dare we say fun?) source of information. Although the database behind CARMA is massive, all of the information can be searched, sorted, parsed, and downloaded with just a few clicks or keystrokes. Here are 5 quick tips on how to do just that, ranging from [...]

Eye in the Sky: Identifying Plants from Above

By providing detailed estimates of carbon emissions facility by facility, CARMA provides the world’s most comprehensive inventory of power sector emissions. It also happens to be the world’s best place for power plant voyeurism.