http://bit.ly/2AbEv8g Start-Ups Hoping to Fight Climate Change Struggle as Other Tech Firms Cash In Venture Capital, Carbon Capture and Sequestration, Carbon Dioxide A number of small companies are looking for ways to remove carbon from the atmosphere. But investors, burned by the clean-tech boom a decade ago, are leery. NATHANIEL POPPER http://bit.ly/2E4QxCD May 7, 2019 at 05:30AM