Heat-Related Mortality:
as Public Health Issue
* Direct heat casualties (NOAA)
   -  1936-1975: 20,000 US deaths
    -  #1 US weather killer in 1995, 1998,
     1999, 2000
   -  current US average ~220/yr
* Heat-related casualties (health researchers)
   - NYC: 307/aver summer now, 460-1000 by 2050
with climate change
   (Kalkstein & Greene, 1997)