Be cautious before spending trillions on climate change

In the Feb. 14 Press, Carrie and Jerry Scheid wrote a My Turn piece titled, “Galileo was right.” Jerry wrote, “According to NASA’s website, 97 percent of climate scientists who publish in peer-reviewed scientific journals agree that “climate warming trends over the past century are extremely likely due to human activities.” That may be so, but before governments around the world sink trillions of dollars into trying to cool the planet, they must answer “yes” to all three of these questions: