Efforts to clean up air pollution in China and across East Asia may have inadvertently contributed to a spike in global warming, a new study has found. The decline in aerosol emissions — which can ...

India has rolled back a decade-old clean-air mandate, relaxing sulphur emission rules for most coal-fired power plants. The ...

India has reversed a decade-old mandate to install $30 billion worth of clean-air equipment, easing sulphur emission rules ...

Gray shading indicates the magnitude of elemental S 8 production in the atmosphere, which is considered essential for the preservation of sulfur isotope MIF in marine sediments.