"In the case of today's climate change stories, I didn't go looking for them. They popped up on a site I check every day (Yahoo's climate change page). Perhaps a sign of a backlash building? Or a sign of panic, because they're losing?"

You've just acknowledeged censorship by the
Search engines as a matter of course.

The corollary being that they, TPTB, understand full well
what is happening, because they're going out of their
way to broadcast/censor POV's.

http://climate.weather.com/articles/neworleans112007.html

"The news was an injection of hope for Lakeview, where a canal breach after Katrina hit washed homes off their foundations and flooded the neighborhood with up to 15 feet (4.6 meters) of water.

On Friday, though, that hope was dashed when the director of a Corps-commissioned team of engineers responsible for the projections said the previous estimates were wrong, and the flood risk had been reduced just 6 inches (15 centimeters).

"The conflicting information on the flood data raised new questions about the Corps' ability to police itself.

"It's so bizarre and unreal," said Al Petrie, vice president of the Lakeview Civic Improvement Association. "The people responsible for our safety cannot even get the issues straight with the numbers they're using."