When it comes to global warning, most scientists say "yea" but a few stay with "nay." Is scientific unanimity possible? How much certainty is necessary to justify nonscientists taking action? These are the questions Michael Kunz, AIMS science professor at Fresno Pacific University, addresses this week in Scholars Speak.

The subject is timely, the question is timeless and the options are the same as they ever were:

Global warming
What can one person do?

1. Disbelieve
2. Deny
3. Despair
4. Something

For those who answered D, Ken Marten's Friesen, political science and history faculty at Fresno Pacific University, presents a series of practical suggestions and a touch of historical context in this week's Scholars Speak.