PBS Says That The Discovery Of Global Warming Was More Important Than The Invention Of The Smallpox Vaccine
PBS says that a 0.7C rise in global temperature over the last 150 years is worse than this: By the mid-18th century smallpox was a major endemic disease everywhere in the world except in Australia and in several small islands. In Europe smallpox was a leading cause of death in the 18th century, killing an […]
