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This is Climate One. For decades, hydrogen has been considered the fuel of the future. Now,

with a slew of new US.S. tax incentives, research

and funding, its moment may have finally arrived.

Countries are seeing that they need to have a carbon-free option other than electrification

to meet their climate goals.

There are debates about how to best make clean hydrogen and how much we should continue to rely on hydrogen made from fossil fuels.

If we stop ourselves from using the resources we have just because of a philosophical issue of keeping it in the ground,

that seems to be tying one hand behind our back.

And how could more widespread production and use of

hydrogen shake up global energy politics? If you have a bunch of distributed fuel producers around

the world, then it does change the way that a country, say, like Russia, would think about its

ability to leverage its energy power. Has hydrogen's moment finally arrived?

I'm Ariana Brocious.

And I'm Greg Dalton.

Hydrogen is the first element in the periodic table, the lightest element, and the most abundant.

Of course, hydrogen is part of that famous duo H-2O and methane, CH4.

But we also interact with it in a bunch of other ways, to make steel, ammonia, and fertilizer.

...