Brenden Millstein, CEO of Carbon Lighthouse, is out to prove that solving for climate change is good business.

"We've doubled every year for past seven years and eliminated the emissions of four power plants," he said of the company, which helps buildings improve energy efficiency, utilizing machine learning and data to help building owners optimize their electricity use.

The broad concept for every building owner to save money while saving power is to focus on the financials of clean energy use, like fact that the price of solar has dropped steeply.

"There's $100 billion in U.S. waiting to be seized," he said.