Live Science: The heat wave gripping much of the East Coast and Midwest has people wondering: Could this scorching weather have any link to global warming?
Experts say it's hard to connect any single event with long-term trends.
Still, heat waves "are expected to happen more often in the future," said Jake Crouch, a scientist at the National Climatic Data Center. "As the average temperature increases, these types of events become more frequent."
The current heat wave is somewhat unusual in that it is...