New PNAS paper: Experts surveyed on the probability of climate “tipping points” « Watts Up With That?

Since the survey was conducted in 2005 and 2006, I wonder if the opinions are equivalent today. They might have gotten more bang for their buck if they’d used a survey company like Gallup. I’m sure the results would be faster.

Still drinking the Kool-Aid: Tom Brokaw's New Global Warming Documentary - TIME

The former NBC Nightly News anchor just finished a new climate change documentary — Global Warming: The New Challenge with Tom Brokaw — which airs on the Discovery Channel on Mar. 18. Brokaw spoke to TIME in New York shortly after his return from a biking trip to Africa. Apparently semi-retirement isn't so bad. (See pictures of this fragile earth.)

[Q] Why do a follow-up to your 2006 global warming documentary?

[Brokaw] A number of things have changed, and it's getting worse, not better.