Mary Cunningham is a reporter for CBS MoneyWatch. Before joining the business and finance vertical, she worked at "60 Minutes," CBSNews.com and CBS News 24/7 as part of the CBS News Associate Program.
NPR's Ayesha Rascoe speaks to Jesse Jenkins of Princeton University about enhanced geothermal energy, a clean, renewable power source that is being tested on a large scale. Enhanced geothermal energy ...
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