Heat Waves

Here are three more subtle changes you might have missed.
An intense global heatwave has caused blazed to break out across multiple countries at once.
Over 70 million Americans are under heat advisories amid record-setting temperatures.
Global temperatures are set to go "off the charts".
Extreme temperature warnings have been issued this week.
Temperatures reached 46.2 degrees celsius in Adelaide, breaking an 80-year-old record. Sweltering residents had to get creative to keep cool, abandoning malls in favour of the local swimming pool. One pub had promised free beer if the mercury reached 45 degrees and patrons celebrated when they kept their word.
By 2050, 70% of the world's population could be living in cities.
HuffPost UK travelled to Antarctica to see first-hand the effects of climate change.