With Speed and Violence Fred Pearce - Global Commons Institute

full-scale Heinrich events—the conveyor probably shut down. Perhaps a
reduction in solar radiation triggered the entire sequence. But the evidence
of what caused what was largely circumstantial. And as we will see later,
there is another explanation, producing a large amplification from another
quarter entirely.
But whatever the amplifier, the pulse is real and extremely pervasive. In
the postglacial era, perhaps only in the past fifty years has something come
along with greater power to disrupt climate.