Tech firms offer carbon tracking software to meet oil-investor demands

More tech companies are launching software that oil and gas producers can use to measure their carbon emissions due to mounting investor pressure to curb greenhouse gases.

Top investors, including BlackRock, have put climate change on their agendas, encouraging energy producers to evaluate programs to help track emissions and report on results.

Software giants SAP and Salesforce.com and start-ups, including Tempe, Arizona-based Persefoni, have launched products to help firms document their emissions. Tracking can show investors they are serious about controlling emissions, said developers.

Persefoni, which is led by the former chief digital officer at Chesapeake Energy, on Tuesday announced