Nature World: While climate change is usually associated with warming temperatures, new research indicates that the planet will experience heat waves as well as cold snaps in the coming years.
About 97 percent of scientists, at this point, agree that the temperature of the planet is rising because of human-related activities such as the burning of fossil fuels and deforestation. But until now, they didn't know the degree of variability surrounding that increase - meaning the difference between hot and cold...