Early-stage climate investors should always ask a basic question before writing a check into a pre-revenue company: If this technology works, who will finance the actual business that gets it into widespread use?

In my conversations this week at the once again jam-packed NY Climate Week, I hear plenty of enthusiasm for technological breakthroughs. There are also plenty of investors eager to back growth stage, already-scaling businesses. For entrepreneurs trying to turn their first commercial success into actual repeatable sales, however, the investment dollars are much harder to find. READ MORE