According to this analysis, the heat wave that smothered Russia this summer wasn't just a once in every 1000 years, it was once in every 15,788 years. Climate scientists say this event could not have happened without global warming forcing the change.
[Housekeeping note: Sorry for the late open thread. I've been preparing for a server migration for the site. If all goes well, we'll be using a shiny new server tomorrow.]