US researchers map carbon emissions at street level

US scientists have developed new software that can accurately measure greenhouse gas emissions down to individual buildings and streets.

The system combines information from public databases with traffic simulations and energy consumption models.

Researchers believe it could help identify the most effective places to cut emissions.

They say it could aid international efforts to verify reductions in carbon.

While the United States has one method of measuring carbon dioxide and other greenhouse gases at national level, there is little consistency at city and local level.

Details of the new system are published in the journal Environmental Science and Technology.

According to the scientists from Arizona State University this new measuring system, called Hestia, changes all that.

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