BBC NEWS | Asia-Pacific | Dress down to save Japan, PM says

Oh my god, we can only hope. I said it last year starting late March, and soon I'll begin to say so again, I'm gonna die this summer! Of course, if buildings were properly insulated and had central air/heating, the problem would be reduced as well.

"Summertime conditions in Japan's major cities, including Tokyo and Osaka, have had average daytime highs over 30 degrees Celsius for two and a half months in the past two years."