Doomsday Earth: As our planet heats up more and more, here’s what happens

If we were to sit down together and create a list of the Top 5 biggest threats to humanity in the coming years, summer heatwaves would definitely be on this list. Heatwaves might even be ranked #1. Why? All we have to do is look at some of the biggest headlines this week and we can see the giant problem that humanity faces from intense summer heatwaves.