The most dramatic growth in electric vehicles is not the US or Europe.

It's in developing countries already.

Most of you around two wheelers and three wheelers.

That's where it's paying use.

In some countries today over 90% of two wheelers and three wheelers are electric today.

And four wheelers, traditional automobiles, are rapidly catching up.

Why? Because they're more efficient vehicle to drive.

And they're better to drive.

And they're cheaper to drive.

So those constant advantages are really reflected in developing countries.

I'm Chris Hill and that's Bruce Usher, professor at Columbia Business School.

An author of the recently released book, Investing in the Era of Climate Change.

Maria Gallagher and Alice Lomax caught up with Usher to talk about renewable energy technology,

the opportunities and challenges in sustainable investing.

And one under the radar benefit of electric cars.

So to get started as someone who started in a more traditional finance route,

how did you pivot into a more sustainable investing kind of mindset?

So my background wasn't traditional finance.

I worked initially in Tokyo and then here in New York and on Wall Street.

And I pivoted just after 2002, I had the opportunity to join a small company

that was investing in climate change projects and developing countries all over the world.

And what was interesting about 2002, and I didn't recognize the time,

...