Tennis Australia recommends suspending play when the “wet bulb globe temperature”, which accounts for sun, air temperature and humidity, exceeds 34°C.
It seems obvious that a game should be suspended if it's too hot to play, but it's not as easy as implementing a maximum temperature.
Sydney is facing 50℃ summer days by 2040, new research says.
Future extreme heat is worse and coming sooner than you might think. Unless we mitigate and adapt we face increasing death rates.
Who set the guardrails on global temperature rise?
More and more research shows that we are likely to pass the 2 degree Celsius temperature limit much of the world has agreed on. Where did that limit come from, and what if we miss it?
Searching for respite from the heat in one of Rome’s fountains.
Parts of Europe are having a devastatingly hot summer. Already we’ve seen heat records topple in western Europe in June, and now a heatwave nicknamed “Lucifer” is bringing stifling conditions to areas…