Weathermen are unable to agree on the cause, but the rise in temperature has been going on for about 100 years.

In Boston the average temperature was found to have risen between three and four degrees in that time.

Temperatures taken at 400 stations scattered around the world showed that in 18 out of 22 the year’s average temperatures were decidedly above normal.

15 May 1950 – Ocean Levels May Rise As World Gets Hotter “The …