This included a discussion of the work of Broecker's Columbia colleague Klaus Lackner in capturing CO2 from the atmosphere—which Broecker believed must play a vital role in reducing emissions and countering global warming.
Denne omfattede en diskussion af Broecks kollega Klaus Lackners arbejde med at fange CO2 fra atmosfæren, hvilket Broecker mente spiller en afgørende rolle for at reducere emissioner og modvirke den globale opvarmning.