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I'm Ariana Broshas. I'm Kusha, Navadar. And this is Climate One.

What compels ordinary people to take extraordinary actions in defense of clean air and water? Well, every year, the Goldman Environmental Prize recognizes individuals from around the world for their efforts to protect and enhance our natural environment.

The prize has been around for nearly three decades,

and in that time has honored more than 200 environmental champions from nearly 100 different countries.

The prize founders, philanthropists Richard and Rhoda Goldman,

wanted to draw attention to the global need for environmental action by highlighting the work of ordinary individuals.

And these folks are really remarkable. Many of them do this work at great personal risk.

As we're seeing federal rollbacks of climate and environment protections and funding

and the closure of environmental justice offices around the country, this work is more important than ever.

And people who do this work often go under-recognized, so it's really meaningful to give them the spotlight.

I had the opportunity to talk with one of last year's prize winners, Andrea Vidowri.

She worked to persuade California to adopt two historic transportation regulations that significantly limit trucking and rail emissions.

And this really matters in the place where she lives, a region east of Los Angeles, connected by highway to major ports like LA and Long Beach, known as the Inland Empire.

The Inland Empire.

The Inland Empire is a beautiful region, ancestral Tongva-Sirano-Kua-Land, and it's a valley, which I think is really important, surrounded by mountains and a lot of hills.

That topography is also why we end up having so much air pollution in the region because it gets

trapped there.

And, you know, on top of the fact that we have like three or four major highways, half a million

...