Climate change is making heat waves hotter, longer and more deadly. The fossil fuel industry spent decades lying about the science while locking society into heat-trapping emissions, and now 136 million Americans are sweltering under dangerous heat indexes. Extreme heat is already the top weather-related killer in the U.S., and without serious action, this brutal summer could be the coolest one left.
Record high temperatures across are nothing new. In the U.S., 36 of 50 state heat records were set more than five decades ago, and 23 were set in the 1930s when CO2 emissions were a fraction of today's levels. Global average temperature records spanning 150 years represent a tiny sliver of Earth's 4.5-billion-year history, making alarm over "unprecedented" heat deeply misleading.
There is a 30% chance of a heat wave that kills at least one million people in a single month before 2050, according to the Metaculus prediction community.
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