ESG products may be tied to doing what's right for the climate, but they're there to make money, like any other investment product, the global head of sustainable investment for Natixis Investment Managers said.

“We shouldn’t treat ESG or sustainable products any differently from any of our other products. It starts with governance or fiduciary duty — these are the foundational building blocks,” Nathalie Wallace told Financial News. “We don’t mention that enough, but it’s true.”