Editorials Mar 12, 2014

Reducing PM2.5 pollutants

Recent spikes in the concentration of so-called PM2.5 air pollutants over wide areas of Japan once again raise alarms over the potential health risks from the small particles.

Editorials Sep 21, 2013

Watching the weather

Japan's abnormal weather this summer, including tornadoes, demands that the Meteorological Agency be ready to issue more public warnings than has been customary.