Today on Uncommon Knowledge, Steven Hayward, author of the annual Index of Leading Environmental Indicators, offers a weather forecast.

Air quality in the United States a decade from now?

Much Better

The average global temperature a decade from now?

About the same as now or slightly lower.

The average global temperature a quarter of a century from now?

Half degree higher. And that’s far from the end of the world.

For the provocative and informative Mr. Hayward in full, click here.