CARTAGENA, Colombia – A small group of climate pollutants– including the air pollutants black carbon, methane, and ozone – are responsible for nearly half of global temperature increases to date.  Reducing these emissions, which only remain in the atmosphere for a few weeks to decades, could serve as the “emergency brake” critical to halting runaway … Continue reading Reducing Emissions of ‘Super Pollutants’ Would Slam Emergency Brake on Global Warming