As the planet warms up, the heat in equatorial regions will be particularly intense, leading to this kind of headline:

One Billion People Will Suffer From “Unliveable” Heat Within 50 years, Study Finds

The reason why it will become unlivable is because:

In a worst-case scenario of accelerating emissions, areas currently home to a third of the world’s population will be as hot as the hottest parts of the Sahara within 50 years, the paper warns. Even in the most optimistic outlook, 1.2 billion people will fall outside the comfortable “climate niche” in which humans have thrived for at least 6,000 years.

“The Doomsday Book” by Marshall Brain lays out this scenario in amazing detail and offers solutions to prevent this doomsday scenario from unfolding. You can order the book today on Amazon and other retailers.