Actually, I would have thought that this was obvious. 

Courtesy of USA Today:

Global warming is making us sick.

The proportion of Earth’s population that’s vulnerable to heat-related death and disease continues to grow both in the United States and around the world because of human-caused climate change, according to a report released this week.

“Climate change is a medical emergency,” said report co-author Renee Salas, a doctor of emergency medicine at Massachusetts General Hospital. She said, “It is truly harming the health of Americans, and especially the most vulnerable … Children, the elderly, minorities, and the poor.”

Growing populations of older people, people living in cities and people with diseases are the prime reasons for our increasing vulnerability, according to the report, which was released Wednesday and published by the Lancet, Britain’s most prestigious medical journal.

In fact, just last year, about 157 million vulnerable people were exposed to heat waves globally. That’s 18 million more than in 2016.

“We’re seeing increases in the frequency, intensity and duration of heat waves,” said report co-author Kristie Ebi of the University of Washington. “As our populations age and as they move into cities that have got urban heat islands, we’re seeing a large increase in the number of people who are vulnerable to high temperatures.”

Of course, this does not even count the number of people killed by the increasingly severe hurricanes, tornadoes, and droughts.

Not to mention the fires, increase in disease-carrying mosquitoes, and starvation due to loss of livestock killed by the incessant heat. 

In short, the reality of a planet that cannot sustain human life is inching closer every year.