EnvironmentMost cities are rainier than their surroundings due to heat and smog A global survey of more than a thousand cities shows heat and air pollution in urban environments often have a measurable influence on rainfall, creating urban "wet islands" News
EnvironmentOur efforts to cope with extreme temperatures are making them worse An analysis of daily carbon dioxide emissions since 1970 has revealed increasingly large spikes that appear to be caused by growing energy use during extreme weather events News