I'm Bill Moyers. It's good to have your ear.

Climate is not just an environmental issue. This is a civilizational issue. This is the biggest

case that courts will get in terms of the potential harm in front of them,

the population affected by that harm, and in terms of the urgency.

Climate is mind-blowing. It can't be categorized any longer as an environmental issue.

The law has never dealt with an issue that

carries so much grave harm, the impairment of survival later in the century, and with such

mind-blowing tipping points and therefore urgency.

Thanks for joining us.

This is our final broadcast, but you haven't seen the last of us.

We'll continue to report and comment at our website, Bill Moyers.com.

I hope you'll join me there for a web chat later this month.

We end our broadcast series on an encouraging word from the emerging

generation. Remember Kelsey Giuliana from Eugene Oregon? She's 18 years old and co-plaintiff

in a lawsuit spearheaded by the organization Our Children's Trust, which claims that Oregon

is not doing all it can to slow down global warming and protect the future.

It's one of several such suits around the country based on the doctrine of public trust,

which goes back to ancient Rome.

Here's an excerpt from that conversation.

Public trust states that the government is a trustee to protect these natural resources, air, water, land,

you know, to protect them for this generation and for many generations down the line.

The law professor who has developed this theory in its more modern garb, Mary Christina Wood,

...