Tag: GEOS-Chem

  • Nation & World

    Toxic mercury springs from a hidden source

    Environmental scientists at Harvard have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry the element north into the Arctic Ocean.

    5 minutes
  • Nation & World

    ‘Warming hole’ delayed climate change

    Climate scientists at the Harvard School of Engineering and Applied Sciences (SEAS) have discovered that particulate pollution in the late 20th century created a “warming hole” over the eastern United States — that is, a cold patch where the effects of global warming were temporarily obscured.

    5 minutes