If You Think It’s Hot Now, Just Wait

And we’re only beginning to appreciate all the consequences

Evolution of U.S. 2011 heat wave. Photo credit: NASA Atmospheric Infrared Sounder (AIRS)

Extreme temperatures — highs above 100 and as much as 120 degrees or more — are occurring with increasing intensity, frequency, and duration due to climate change. Cooling off at night is also becoming less possible as average overnight lows in the U.S. hit their highest level in recorded history. We…