Of course, the catch is that many people need air-conditioning to survive increasingly hot temperatures, so perhaps its time to talk about more systemic solutions. Every year in the U.S., around 100,000 people die prematurely due to conditions, like heart disease, that are caused or exacerbated by air pollution. A new study from the University of Wisconsin-Madison details how nearly 500 of those deaths (and many more complications due to illness) could be avoided each year—just by running air-conditioning a little less during the three hottest months of the year.Read Full Story