• How do active volcanoes change clouds?

    NASA Goddard Space Flight Center scientist Andrew Sayer talks about how emissions from volcanoes can affect clouds. This video provides an overview of research published in the Journal of Atmospheric Chemistry and Physics. Research: Systematic satellite observations of

  • Air pollution is stunting India’s monsoon

    India has been drying out for half a century, and air pollution thousands of kilometres away is partly to blame. The monsoon has been weakening since the 1950s. Indian air pollution has been blamed, but now it seems that emissions further afield are also a factor.The