This event was held Thursday, November 6, 2014 in Harvard auditorium Jefferson Hall 250.

Our Earth is 45 million centuries old. But this century is the first when one species ours can determine the biosphere’s fate. Threats from the collective “footprint” of 9 billion people seeking food, resources and energy are widely discussed. But less well studied is the potential vulnerability of our globally-linked society to the unintended consequences of powerful technologies not only nuclear, but (even more) biotech, advanced AI, geo-engineering and so forth. More information here.