USA Google's latest project: mapping small gas leaks in US cities

In a joint project, Google Street View cars sniffed out minor gas leaks in Boston, Staten Island, and Indianapolis. While the leaks don't represent a safety threat, they add up to a large volume of greenhouse gas emissions.

By , Staff writer

Screen grab from the Environmental Defense Agency

Google Street View cars outfitted with special sensors have identified hundreds of small but steady methane leaks lying beneath the streets in three US cities.