Climate change campaigners cautioned over reaction to extreme weather | Environment | guardian.co.uk

Bob Inglis, a former South Carolina congressman behind a new global warming thinktank, is an endangered species as a Republican who believes in climate change.

The recent freak weather does provide powerful evidence of the dangers of climate change, and could break through the GOP's wall of denial, he said. But scientists and campaigners need to go easy on the doom.

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The last 5 years has been the most heat-stroke related deaths in youth athletes in the last 35 years.

Battle of Monmouth - Wikipedia, the free encyclopedia

[June 1778] With a high of over 100 degrees Fahrenheit, both sides lost almost as many men to heat stroke as to the enemy.

Battle of Adrianople, year 378 - Wikipedia, the free encyclopedia

It was a very hot day and the Roman cavalry was engaged without strategic support, wasting its efforts while they suffered in the heat.
...
The resultant delay meant that the Romans present on the field began to succumb to the heat.