Rapidly expanding nuclear arsenals in Pakistan and India portend regional and global catastrophe Toon, Owen B. ; Bardeen, Charles G. ; Robock, Alan ; Xia, Lili ; Kristensen, Hans ; McKinzie, Matthew ; Peterson, R. J. ; Harrison, Cheryl S. ; Lovenduski, Nicole S. ; Turco, Richard P. Abstract Publication: Science Advances Pub Date: October 2019 DOI: 10.1126/sciadv.aay5478 Bibcode: 2019SciA....5.5478T